37972061 has 8 divisors (see below), whose sum is σ = 38841600. Its totient is φ = 37112400.

The previous prime is 37972021. The next prime is 37972063. The reversal of 37972061 is 16027973.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37972061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37972063) 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, 5600 + ... + 10358.

It is an arithmetic number, because the mean of its divisors is an integer number (4855200).

Almost surely, 2^37972061 is an apocalyptic number.

It is an amenable number.

37972061 is a deficient number, since it is larger than the sum of its proper divisors (869539).

37972061 is a wasteful number, since it uses less digits than its factorization.

37972061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4939.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 37972061 is about 6162.1474341337. The cubic root of 37972061 is about 336.1151255390.

The spelling of 37972061 in words is "thirty-seven million, nine hundred seventy-two thousand, sixty-one".