37521472 has 14 divisors (see below), whose sum is σ = 74456798. Its totient is φ = 18760704.

The previous prime is 37521467. The next prime is 37521479. The reversal of 37521472 is 27412573.

It can be written as a sum of positive squares in only one way, i.e., 28901376 + 8620096 = 5376^2 + 2936^2 .

It is a super-2 number, since 2×37521472² = 2815721722093568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (37521479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 293073 + ... + 293200.

Almost surely, 2^37521472 is an apocalyptic number.

37521472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

37521472 is a deficient number, since it is larger than the sum of its proper divisors (36935326).

37521472 is an equidigital number, since it uses as much as digits as its factorization.

37521472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586285 (or 586275 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 37521472 is about 6125.4772875263. The cubic root of 37521472 is about 334.7803475820.

The spelling of 37521472 in words is "thirty-seven million, five hundred twenty-one thousand, four hundred seventy-two".