37997073 has 16 divisors (see below), whose sum is σ = 56812800. Its totient is φ = 25097040.

The previous prime is 37997053. The next prime is 37997077. The reversal of 37997073 is 37079973.

It is not a de Polignac number, because 37997073 - 2¹⁸ = 37734929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (37997077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3513 + ... + 9398.

It is an arithmetic number, because the mean of its divisors is an integer number (3550800).

Almost surely, 2^37997073 is an apocalyptic number.

It is an amenable number.

37997073 is a deficient number, since it is larger than the sum of its proper divisors (18815727).

37997073 is a wasteful number, since it uses less digits than its factorization.

37997073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13029 (or 13023 counting only the distinct ones).

The product of its (nonzero) digits is 250047, while the sum is 45.

The square root of 37997073 is about 6164.1765873473. The cubic root of 37997073 is about 336.1889084389.

The spelling of 37997073 in words is "thirty-seven million, nine hundred ninety-seven thousand, seventy-three".