77706332 has 48 divisors (see below), whose sum is σ = 154315392. Its totient is φ = 33929280.

The previous prime is 77706329. The next prime is 77706359. The reversal of 77706332 is 23360777.

It is a junction number, because it is equal to n+sod(n) for n = 77706292 and 77706301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126458 + ... + 127070.

It is an arithmetic number, because the mean of its divisors is an integer number (3214904).

Almost surely, 2^77706332 is an apocalyptic number.

It is an amenable number.

77706332 is a deficient number, since it is larger than the sum of its proper divisors (76609060).

77706332 is a wasteful number, since it uses less digits than its factorization.

77706332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 35.

The square root of 77706332 is about 8815.1195113850. The cubic root of 77706332 is about 426.7289788007.

The spelling of 77706332 in words is "seventy-seven million, seven hundred six thousand, three hundred thirty-two".