37973972 has 12 divisors (see below), whose sum is σ = 66683316. Its totient is φ = 18921600.

The previous prime is 37973927. The next prime is 37973983. The reversal of 37973972 is 27937973.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37405456 + 568516 = 6116^2 + 754^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15029 + ... + 17372.

It is an arithmetic number, because the mean of its divisors is an integer number (5556943).

Almost surely, 2^37973972 is an apocalyptic number.

It is an amenable number.

37973972 is a deficient number, since it is larger than the sum of its proper divisors (28709344).

37973972 is a wasteful number, since it uses less digits than its factorization.

37973972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32698 (or 32696 counting only the distinct ones).

The product of its digits is 500094, while the sum is 47.

The square root of 37973972 is about 6162.3024917639. The cubic root of 37973972 is about 336.1207639410.

The spelling of 37973972 in words is "thirty-seven million, nine hundred seventy-three thousand, nine hundred seventy-two".