77066330 has 64 divisors (see below), whose sum is σ = 160247808. Its totient is φ = 26410560.

The previous prime is 77066329. The next prime is 77066357. The reversal of 77066330 is 3366077.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209807 + ... + 210173.

It is an arithmetic number, because the mean of its divisors is an integer number (2503872).

Almost surely, 2^77066330 is an apocalyptic number.

77066330 is an abundant number, since it is smaller than the sum of its proper divisors (83181478).

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

77066330 is a wasteful number, since it uses less digits than its factorization.

77066330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491.

The product of its (nonzero) digits is 15876, while the sum is 32.

The square root of 77066330 is about 8778.7430763179. The cubic root of 77066330 is about 425.5542112358.

The spelling of 77066330 in words is "seventy-seven million, sixty-six thousand, three hundred thirty".