77270016 has 44 divisors (see below), whose sum is σ = 205960952. Its totient is φ = 25755648.

The previous prime is 77270009. The next prime is 77270027. The reversal of 77270016 is 61007277.

It is a happy number.

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, 9505 + ... + 15648.

Almost surely, 2^77270016 is an apocalyptic number.

It is an amenable number.

77270016 is an abundant number, since it is smaller than the sum of its proper divisors (128690936).

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

77270016 is a wasteful number, since it uses less digits than its factorization.

77270016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25176 (or 25158 counting only the distinct ones).

The product of its (nonzero) digits is 4116, while the sum is 30.

The square root of 77270016 is about 8790.3365123299. The cubic root of 77270016 is about 425.9287941115.

The spelling of 77270016 in words is "seventy-seven million, two hundred seventy thousand, sixteen".