37631412 has 144 divisors (see below), whose sum is σ = 122445120. Its totient is φ = 9906624.

The previous prime is 37631411. The next prime is 37631437. The reversal of 37631412 is 21413673.

It is a super-2 number, since 2×37631412² = 2832246338227488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37631411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68523 + ... + 69069.

Almost surely, 2^37631412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 37631412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61222560).

37631412 is an abundant number, since it is smaller than the sum of its proper divisors (84813708).

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

37631412 is a wasteful number, since it uses less digits than its factorization.

37631412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587 (or 572 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 37631412 is about 6134.4447181469. Note that the first 3 decimals coincide. The cubic root of 37631412 is about 335.1070037624.

The spelling of 37631412 in words is "thirty-seven million, six hundred thirty-one thousand, four hundred twelve".