2072493621 has 60 divisors (see below), whose sum is σ = 3443992992. Its totient is φ = 1231524000.

The previous prime is 2072493587. The next prime is 2072493641. The reversal of 2072493621 is 1263942702.

2072493621 is a `hidden beast` number, since 2 + 0 + 7 + 24 + 9 + 3 + 621 = 666.

It is not a de Polignac number, because 2072493621 - 2²¹ = 2070396469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2072493641) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 11450151 + ... + 11450331.

Almost surely, 2^2072493621 is an apocalyptic number.

It is an amenable number.

2072493621 is a deficient number, since it is larger than the sum of its proper divisors (1371499371).

2072493621 is an equidigital number, since it uses as much as digits as its factorization.

2072493621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 2072493621 is about 45524.6484994667. The cubic root of 2072493621 is about 1274.9634480871.

The spelling of 2072493621 in words is "two billion, seventy-two million, four hundred ninety-three thousand, six hundred twenty-one".