37642212 has 48 divisors (see below), whose sum is σ = 98985600. Its totient is φ = 12368160.

The previous prime is 37642207. The next prime is 37642229. The reversal of 37642212 is 21224673.

37642212 is a `hidden beast` number, since 3 + 7 + 642 + 2 + 12 = 666.

It is a super-2 number, since 2×37642212² = 2833872248505888, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5214 + ... + 10122.

It is an arithmetic number, because the mean of its divisors is an integer number (2062200).

Almost surely, 2^37642212 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 37642212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49492800).

37642212 is an abundant number, since it is smaller than the sum of its proper divisors (61343388).

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

37642212 is a wasteful number, since it uses less digits than its factorization.

37642212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4993 (or 4985 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 37642212 is about 6135.3249302706. The cubic root of 37642212 is about 335.1390586272.

Adding to 37642212 its reverse (21224673), we get a palindrome (58866885).

The spelling of 37642212 in words is "thirty-seven million, six hundred forty-two thousand, two hundred twelve".