68690692 has 24 divisors (see below), whose sum is σ = 137559744. Its totient is φ = 29400672.

The previous prime is 68690669. The next prime is 68690711. The reversal of 68690692 is 29609686.

It is a happy number.

It is a super-2 number, since 2×68690692² = 9436822334877728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35658 + ... + 37534.

It is an arithmetic number, because the mean of its divisors is an integer number (5731656).

Almost surely, 2^68690692 is an apocalyptic number.

It is an amenable number.

68690692 is an abundant number, since it is smaller than the sum of its proper divisors (68869052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68690692 is a wasteful number, since it uses less digits than its factorization.

68690692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3195 (or 3193 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 68690692 is about 8287.9847972834. The cubic root of 68690692 is about 409.5428018809.

It can be divided in two parts, 6869069 and 2, that added together give a triangular number (6869071 = T₃₇₀₆).

The spelling of 68690692 in words is "sixty-eight million, six hundred ninety thousand, six hundred ninety-two".