77064652 has 18 divisors (see below), whose sum is σ = 156882012. Its totient is φ = 33027624.

The previous prime is 77064623. The next prime is 77064653. The reversal of 77064652 is 25646077.

It is a super-2 number, since 2×77064652² = 11877921175762208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77064653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 196398 + ... + 196789.

Almost surely, 2^77064652 is an apocalyptic number.

It is an amenable number.

77064652 is an abundant number, since it is smaller than the sum of its proper divisors (79817360).

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

77064652 is a wasteful number, since it uses less digits than its factorization.

77064652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393205 (or 393196 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 77064652 is about 8778.6475040293. The cubic root of 77064652 is about 425.5511226187.

The spelling of 77064652 in words is "seventy-seven million, sixty-four thousand, six hundred fifty-two".