77390748 has 24 divisors (see below), whose sum is σ = 200642960. Its totient is φ = 25796880.

The previous prime is 77390741. The next prime is 77390809. The reversal of 77390748 is 84709377.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77390741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358183 + ... + 358398.

Almost surely, 2^77390748 is an apocalyptic number.

It is an amenable number.

77390748 is an abundant number, since it is smaller than the sum of its proper divisors (123252212).

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

77390748 is a wasteful number, since it uses less digits than its factorization.

77390748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716594 (or 716586 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 77390748 is about 8797.2011458190. The cubic root of 77390748 is about 426.1505121795.

The spelling of 77390748 in words is "seventy-seven million, three hundred ninety thousand, seven hundred forty-eight".