7972574087 has 4 divisors (see below), whose sum is σ = 7973736600. Its totient is φ = 7971411576.

The previous prime is 7972574069. The next prime is 7972574101. The reversal of 7972574087 is 7804752797.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7972574087 - 2⁶ = 7972574023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7972504087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570908 + ... + 584705.

It is an arithmetic number, because the mean of its divisors is an integer number (1993434150).

Almost surely, 2^7972574087 is an apocalyptic number.

7972574087 is a deficient number, since it is larger than the sum of its proper divisors (1162513).

7972574087 is a wasteful number, since it uses less digits than its factorization.

7972574087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162512.

The product of its (nonzero) digits is 6914880, while the sum is 56.

The square root of 7972574087 is about 89289.2719591777. The cubic root of 7972574087 is about 1997.7118905258.

The spelling of 7972574087 in words is "seven billion, nine hundred seventy-two million, five hundred seventy-four thousand, eighty-seven".