37949572 has 6 divisors (see below), whose sum is σ = 66411758. Its totient is φ = 18974784.

The previous prime is 37949557. The next prime is 37949573. The reversal of 37949572 is 27594973.

It can be written as a sum of positive squares in only one way, i.e., 31629376 + 6320196 = 5624^2 + 2514^2 .

It is not an unprimeable number, because it can be changed into a prime (37949573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4743693 + ... + 4743700.

Almost surely, 2^37949572 is an apocalyptic number.

It is an amenable number.

37949572 is a deficient number, since it is larger than the sum of its proper divisors (28462186).

37949572 is a wasteful number, since it uses less digits than its factorization.

37949572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9487397 (or 9487395 counting only the distinct ones).

The product of its digits is 476280, while the sum is 46.

The square root of 37949572 is about 6160.3223941609. The cubic root of 37949572 is about 336.0487575691.

It can be divided in two parts, 3794 and 9572, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 37949572 in words is "thirty-seven million, nine hundred forty-nine thousand, five hundred seventy-two".