78572 has 12 divisors (see below), whose sum is σ = 148176. Its totient is φ = 36240.

The previous prime is 78571. The next prime is 78577. The reversal of 78572 is 27587.

It is not an unprimeable number, because it can be changed into a prime (78571) 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, 704 + ... + 807.

It is an arithmetic number, because the mean of its divisors is an integer number (12348).

2⁷⁸⁵⁷² is an apocalyptic number.

It is an amenable number.

78572 is a deficient number, since it is larger than the sum of its proper divisors (69604).

78572 is a wasteful number, since it uses less digits than its factorization.

78572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528 (or 1526 counting only the distinct ones).

The product of its digits is 3920, while the sum is 29.

The square root of 78572 is about 280.3069745832. The cubic root of 78572 is about 42.8307753153.

The spelling of 78572 in words is "seventy-eight thousand, five hundred seventy-two".