68977404 has 36 divisors (see below), whose sum is σ = 175528080. Its totient is φ = 22838400.

The previous prime is 68977373. The next prime is 68977427. The reversal of 68977404 is 40477986.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 68977404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 909 + ... + 11780.

It is an arithmetic number, because the mean of its divisors is an integer number (4875780).

Almost surely, 2^68977404 is an apocalyptic number.

It is an amenable number.

68977404 is an abundant number, since it is smaller than the sum of its proper divisors (106550676).

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

68977404 is a wasteful number, since it uses less digits than its factorization.

68977404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12850 (or 12845 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 68977404 is about 8305.2636321793. The cubic root of 68977404 is about 410.1118156261. Note that the first 3 decimals are identical.

The spelling of 68977404 in words is "sixty-eight million, nine hundred seventy-seven thousand, four hundred four".