37213872 has 40 divisors (see below), whose sum is σ = 96392640. Its totient is φ = 12371520.

The previous prime is 37213871. The next prime is 37213879. The reversal of 37213872 is 27831273.

It is not an unprimeable number, because it can be changed into a prime (37213871) 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, 22779 + ... + 24357.

It is an arithmetic number, because the mean of its divisors is an integer number (2409816).

Almost surely, 2^37213872 is an apocalyptic number.

It is an amenable number.

37213872 is an abundant number, since it is smaller than the sum of its proper divisors (59178768).

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

37213872 is a wasteful number, since it uses less digits than its factorization.

37213872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081 (or 2075 counting only the distinct ones).

The product of its digits is 14112, while the sum is 33.

The square root of 37213872 is about 6100.3173687932. The cubic root of 37213872 is about 333.8629961484.

The spelling of 37213872 in words is "thirty-seven million, two hundred thirteen thousand, eight hundred seventy-two".