94699681 has 4 divisors (see below), whose sum is σ = 95247252. Its totient is φ = 94152112.

The previous prime is 94699679. The next prime is 94699723. The reversal of 94699681 is 18699649.

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

It can be written as a sum of positive squares in 2 ways, for example, as 81739681 + 12960000 = 9041^2 + 3600^2 .

It is a cyclic number.

It is not a de Polignac number, because 94699681 - 2¹ = 94699679 is a prime.

It is a super-2 number, since 2×94699681² = 17936059163003522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94699621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273526 + ... + 273871.

It is an arithmetic number, because the mean of its divisors is an integer number (23811813).

Almost surely, 2^94699681 is an apocalyptic number.

It is an amenable number.

94699681 is a deficient number, since it is larger than the sum of its proper divisors (547571).

94699681 is a wasteful number, since it uses less digits than its factorization.

94699681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547570.

The product of its digits is 839808, while the sum is 52.

The square root of 94699681 is about 9731.3761102940. The cubic root of 94699681 is about 455.8089397210.

The spelling of 94699681 in words is "ninety-four million, six hundred ninety-nine thousand, six hundred eighty-one".