97729682 has 4 divisors (see below), whose sum is σ = 146594526. Its totient is φ = 48864840.

The previous prime is 97729679. The next prime is 97729693. The reversal of 97729682 is 28692779.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 87030241 + 10699441 = 9329^2 + 3271^2 .

It is a super-2 number, since 2×97729682² = 19102181487642248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 97729682.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24432419 + ... + 24432422.

Almost surely, 2^97729682 is an apocalyptic number.

97729682 is a deficient number, since it is larger than the sum of its proper divisors (48864844).

97729682 is a wasteful number, since it uses less digits than its factorization.

97729682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48864843.

The product of its digits is 762048, while the sum is 50.

The square root of 97729682 is about 9885.8323878164. The cubic root of 97729682 is about 460.6193327530.

The spelling of 97729682 in words is "ninety-seven million, seven hundred twenty-nine thousand, six hundred eighty-two".