2371974021 has 24 divisors (see below), whose sum is σ = 3539188224. Its totient is φ = 1529232480.

The previous prime is 2371974001. The next prime is 2371974029. The reversal of 2371974021 is 1204791732.

2371974021 is a `hidden beast` number, since 237 + 19 + 7 + 402 + 1 = 666.

It is not a de Polignac number, because 2371974021 - 2²¹ = 2369876869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2371974029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 655800 + ... + 659406.

It is an arithmetic number, because the mean of its divisors is an integer number (147466176).

Almost surely, 2^2371974021 is an apocalyptic number.

It is an amenable number.

2371974021 is a deficient number, since it is larger than the sum of its proper divisors (1167214203).

2371974021 is a wasteful number, since it uses less digits than its factorization.

2371974021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6001 (or 5998 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 2371974021 is about 48702.9159393973. The cubic root of 2371974021 is about 1333.6339500435.

The spelling of 2371974021 in words is "two billion, three hundred seventy-one million, nine hundred seventy-four thousand, twenty-one".