77382232 has 16 divisors (see below), whose sum is σ = 153626760. Its totient is φ = 36415104.

The previous prime is 77382229. The next prime is 77382233. The reversal of 77382232 is 23228377.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77382233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284358 + ... + 284629.

Almost surely, 2^77382232 is an apocalyptic number.

It is an amenable number.

77382232 is a deficient number, since it is larger than the sum of its proper divisors (76244528).

77382232 is a wasteful number, since it uses less digits than its factorization.

77382232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569010 (or 569006 counting only the distinct ones).

The product of its digits is 28224, while the sum is 34.

The square root of 77382232 is about 8796.7171149242. The cubic root of 77382232 is about 426.1348805484.

The spelling of 77382232 in words is "seventy-seven million, three hundred eighty-two thousand, two hundred thirty-two".