78738032 has 10 divisors (see below), whose sum is σ = 152554968. Its totient is φ = 39369008.

The previous prime is 78738029. The next prime is 78738043. The reversal of 78738032 is 23083787.

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, 2460548 + ... + 2460579.

Almost surely, 2^78738032 is an apocalyptic number.

It is an amenable number.

78738032 is a deficient number, since it is larger than the sum of its proper divisors (73816936).

78738032 is a wasteful number, since it uses less digits than its factorization.

78738032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4921135 (or 4921129 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 78738032 is about 8873.4453286195. The cubic root of 78738032 is about 428.6092293431.

The spelling of 78738032 in words is "seventy-eight million, seven hundred thirty-eight thousand, thirty-two".