637472 has 24 divisors (see below), whose sum is σ = 1369872. Its totient is φ = 289600.

The previous prime is 637471. The next prime is 637489. The reversal of 637472 is 274736.

It is not an unprimeable number, because it can be changed into a prime (637471) 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, 554 + ... + 1257.

It is an arithmetic number, because the mean of its divisors is an integer number (57078).

2⁶³⁷⁴⁷² is an apocalyptic number.

It is an amenable number.

637472 is an abundant number, since it is smaller than the sum of its proper divisors (732400).

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

637472 is a wasteful number, since it uses less digits than its factorization.

637472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832 (or 1824 counting only the distinct ones).

The product of its digits is 7056, while the sum is 29.

The square root of 637472 is about 798.4184366609. The cubic root of 637472 is about 86.0637709808.

It can be divided in two parts, 6374 and 72, that added together give a palindrome (6446).

The spelling of 637472 in words is "six hundred thirty-seven thousand, four hundred seventy-two".