37621073 has 12 divisors (see below), whose sum is σ = 45176832. Its totient is φ = 31205160.

The previous prime is 37621069. The next prime is 37621081. The reversal of 37621073 is 37012673.

It is not a de Polignac number, because 37621073 - 2² = 37621069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37621013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10865 + ... + 13902.

It is an arithmetic number, because the mean of its divisors is an integer number (3764736).

Almost surely, 2^37621073 is an apocalyptic number.

It is an amenable number.

37621073 is a deficient number, since it is larger than the sum of its proper divisors (7555759).

37621073 is a wasteful number, since it uses less digits than its factorization.

37621073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24812 (or 24805 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 37621073 is about 6133.6019596971. The cubic root of 37621073 is about 335.0763114190.

Subtracting from 37621073 its reverse (37012673), we obtain a square (608400 = 780²).

The spelling of 37621073 in words is "thirty-seven million, six hundred twenty-one thousand, seventy-three".