77474068 has 12 divisors (see below), whose sum is σ = 154948192. Its totient is φ = 33203160.

The previous prime is 77474057. The next prime is 77474081. The reversal of 77474068 is 86047477.

77474068 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1383438 + ... + 1383493.

Almost surely, 2^77474068 is an apocalyptic number.

It is an amenable number.

77474068 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

77474068 is a wasteful number, since it uses less digits than its factorization.

77474068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766942 (or 2766940 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 43.

The square root of 77474068 is about 8801.9354689750. The cubic root of 77474068 is about 426.3033905998.

The spelling of 77474068 in words is "seventy-seven million, four hundred seventy-four thousand, sixty-eight".