77432922 has 80 divisors (see below), whose sum is σ = 199818432. Its totient is φ = 22044960.

The previous prime is 77432903. The next prime is 77432933. The reversal of 77432922 is 22923477.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 275422 + ... + 275702.

Almost surely, 2^77432922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77432922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99909216).

77432922 is an abundant number, since it is smaller than the sum of its proper divisors (122385510).

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

77432922 is an frugal number, since it uses more digits than its factorization.

77432922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 293 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 77432922 is about 8799.5978317194. The cubic root of 77432922 is about 426.2279082011.

The spelling of 77432922 in words is "seventy-seven million, four hundred thirty-two thousand, nine hundred twenty-two".