660372 has 24 divisors (see below), whose sum is σ = 1557696. Its totient is φ = 217728.

The previous prime is 660367. The next prime is 660377. The reversal of 660372 is 273066.

It is an interprime number because it is at equal distance from previous prime (660367) and next prime (660377).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1113 + ... + 1599.

It is an arithmetic number, because the mean of its divisors is an integer number (64904).

2⁶⁶⁰³⁷² is an apocalyptic number.

It is an amenable number.

660372 is an abundant number, since it is smaller than the sum of its proper divisors (897324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

660372 is a wasteful number, since it uses less digits than its factorization.

660372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 660372 is about 812.6327583847. The cubic root of 660372 is about 87.0822316708.

It can be divided in two parts, 6 and 60372, that added together give a triangular number (60378 = T₃₄₇).

The spelling of 660372 in words is "six hundred sixty thousand, three hundred seventy-two".