77243932 has 6 divisors (see below), whose sum is σ = 135176888. Its totient is φ = 38621964.

The previous prime is 77243863. The next prime is 77243941. The reversal of 77243932 is 23934277.

It is a junction number, because it is equal to n+sod(n) for n = 77243891 and 77243900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9655488 + ... + 9655495.

Almost surely, 2^77243932 is an apocalyptic number.

It is an amenable number.

77243932 is a deficient number, since it is larger than the sum of its proper divisors (57932956).

77243932 is a wasteful number, since it uses less digits than its factorization.

77243932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19310987 (or 19310985 counting only the distinct ones).

The product of its digits is 63504, while the sum is 37.

The square root of 77243932 is about 8788.8527123852. The cubic root of 77243932 is about 425.8808618622.

The spelling of 77243932 in words is "seventy-seven million, two hundred forty-three thousand, nine hundred thirty-two".