78079732 has 12 divisors (see below), whose sum is σ = 136745280. Its totient is φ = 39009656.

The previous prime is 78079709. The next prime is 78079739. The reversal of 78079732 is 23797087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78079739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1132 + ... + 12547.

It is an arithmetic number, because the mean of its divisors is an integer number (11395440).

Almost surely, 2^78079732 is an apocalyptic number.

It is an amenable number.

78079732 is a deficient number, since it is larger than the sum of its proper divisors (58665548).

78079732 is a wasteful number, since it uses less digits than its factorization.

78079732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15110 (or 15108 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 78079732 is about 8836.2736489993. The cubic root of 78079732 is about 427.4114030461.

The spelling of 78079732 in words is "seventy-eight million, seventy-nine thousand, seven hundred thirty-two".