68432492 has 24 divisors (see below), whose sum is σ = 121519440. Its totient is φ = 33716480.

The previous prime is 68432477. The next prime is 68432503. The reversal of 68432492 is 29423486.

It is a happy number.

It is a super-2 number, since 2×68432492² = 9366011922660128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119984 + ... + 120552.

It is an arithmetic number, because the mean of its divisors is an integer number (5063310).

Almost surely, 2^68432492 is an apocalyptic number.

It is an amenable number.

68432492 is a deficient number, since it is larger than the sum of its proper divisors (53086948).

68432492 is a wasteful number, since it uses less digits than its factorization.

68432492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961 (or 959 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 68432492 is about 8272.3933658887. The cubic root of 68432492 is about 409.0290169771.

The spelling of 68432492 in words is "sixty-eight million, four hundred thirty-two thousand, four hundred ninety-two".