Search a number
99460729 = 99732

99460729 has 3 divisors (see below), whose sum is σ = 99470703. Its totient is φ = 99450756.

The previous prime is 99460723. The next prime is 99460747. The reversal of 99460729 is 92706499.

The square root of 99460729 is 9973.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 92706499 = 821112919.

It can be written as a sum of positive squares in only one way, i.e., 12075625 + 87385104 = 3475^2 + 9348^2 .

It is not a de Polignac number, because 99460729 - 23 = 99460721 is a prime.

It is a super-2 number, since 2×994607292 = 19784873226422882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99460721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4987 + ... + 14959.

It is an arithmetic number, because the mean of its divisors is an integer number (33156901).

Almost surely, 299460729 is an apocalyptic number.

99460729 is the 9973-rd square number.

99460729 is the 4987-th centered octagonal number.

It is an amenable number.

99460729 is a deficient number, since it is larger than the sum of its proper divisors (9974).

99460729 is an frugal number, since it uses more digits than its factorization.

99460729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19946 (or 9973 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 46.

The cubic root of 99460729 is about 463.3230209507.

The spelling of 99460729 in words is "ninety-nine million, four hundred sixty thousand, seven hundred twenty-nine".

Divisors: 1 9973 99460729