78379132 has 12 divisors (see below), whose sum is σ = 147714616. Its totient is φ = 36174960.

The previous prime is 78379111. The next prime is 78379157. The reversal of 78379132 is 23197387.

It is a super-2 number, since 2×78379132² = 12286576666146848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753594 + ... + 753697.

Almost surely, 2^78379132 is an apocalyptic number.

It is an amenable number.

78379132 is a deficient number, since it is larger than the sum of its proper divisors (69335484).

78379132 is a wasteful number, since it uses less digits than its factorization.

78379132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507308 (or 1507306 counting only the distinct ones).

The product of its digits is 63504, while the sum is 40.

The square root of 78379132 is about 8853.1989698639. The cubic root of 78379132 is about 427.9570152190.

The spelling of 78379132 in words is "seventy-eight million, three hundred seventy-nine thousand, one hundred thirty-two".