77436016 has 40 divisors (see below), whose sum is σ = 177004544. Its totient is φ = 32114880.

The previous prime is 77435989. The next prime is 77436017. The reversal of 77436016 is 61063477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77436017) 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, 7680 + ... + 14623.

Almost surely, 2^77436016 is an apocalyptic number.

It is an amenable number.

77436016 is an abundant number, since it is smaller than the sum of its proper divisors (99568528).

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

77436016 is a wasteful number, since it uses less digits than its factorization.

77436016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22349 (or 22343 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 77436016 is about 8799.7736334522. The cubic root of 77436016 is about 426.2335850783.

The spelling of 77436016 in words is "seventy-seven million, four hundred thirty-six thousand, sixteen".