68477492 has 12 divisors (see below), whose sum is σ = 120439200. Its totient is φ = 34066296.

The previous prime is 68477483. The next prime is 68477527. The reversal of 68477492 is 29477486.

It is a super-2 number, since 2×68477492² = 9378333821220128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42218 + ... + 43809.

It is an arithmetic number, because the mean of its divisors is an integer number (10036600).

Almost surely, 2^68477492 is an apocalyptic number.

It is an amenable number.

68477492 is a deficient number, since it is larger than the sum of its proper divisors (51961708).

68477492 is a wasteful number, since it uses less digits than its factorization.

68477492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86230 (or 86228 counting only the distinct ones).

The product of its digits is 677376, while the sum is 47.

The square root of 68477492 is about 8275.1128088987. The cubic root of 68477492 is about 409.1186540883.

The spelling of 68477492 in words is "sixty-eight million, four hundred seventy-seven thousand, four hundred ninety-two".