37245072321 has 16 divisors (see below), whose sum is σ = 55224417600. Its totient is φ = 24809108544.

The previous prime is 37245072301. The next prime is 37245072341. The reversal of 37245072321 is 12327054273.

37245072321 is a `hidden beast` number, since 372 + 4 + 50 + 7 + 232 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (37245072301) and next prime (37245072341).

It is not a de Polignac number, because 37245072321 - 2¹⁵ = 37245039553 is a prime.

It is a super-4 number, since 4×37245072321⁴ (a number of 43 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (37245072301) 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, 549016 + ... + 613113.

It is an arithmetic number, because the mean of its divisors is an integer number (3451526100).

Almost surely, 2^37245072321 is an apocalyptic number.

It is an amenable number.

37245072321 is a deficient number, since it is larger than the sum of its proper divisors (17979345279).

37245072321 is a wasteful number, since it uses less digits than its factorization.

37245072321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163325 (or 1163319 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The spelling of 37245072321 in words is "thirty-seven billion, two hundred forty-five million, seventy-two thousand, three hundred twenty-one".