77474416 has 20 divisors (see below), whose sum is σ = 150486400. Its totient is φ = 38639232.

The previous prime is 77474351. The next prime is 77474429. The reversal of 77474416 is 61447477.

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, 625 + ... + 12463.

It is an arithmetic number, because the mean of its divisors is an integer number (7524320).

Almost surely, 2^77474416 is an apocalyptic number.

It is an amenable number.

77474416 is a deficient number, since it is larger than the sum of its proper divisors (73011984).

77474416 is a wasteful number, since it uses less digits than its factorization.

77474416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12256 (or 12250 counting only the distinct ones).

The product of its digits is 131712, while the sum is 40.

The square root of 77474416 is about 8801.9552373322. The cubic root of 77474416 is about 426.3040288923.

The spelling of 77474416 in words is "seventy-seven million, four hundred seventy-four thousand, four hundred sixteen".