7972031330 has 16 divisors (see below), whose sum is σ = 14497592760. Its totient is φ = 3155937792.

The previous prime is 7972031321. The next prime is 7972031339. The reversal of 7972031330 is 331302797.

It is an interprime number because it is at equal distance from previous prime (7972031321) and next prime (7972031339).

It can be written as a sum of positive squares in 4 ways, for example, as 6422900449 + 1549130881 = 80143^2 + 39359^2 .

It is not an unprimeable number, because it can be changed into a prime (7972031339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4108325 + ... + 4110264.

Almost surely, 2^7972031330 is an apocalyptic number.

7972031330 is a deficient number, since it is larger than the sum of its proper divisors (6525561430).

7972031330 is a wasteful number, since it uses less digits than its factorization.

7972031330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8218693.

The product of its (nonzero) digits is 23814, while the sum is 35.

The square root of 7972031330 is about 89286.2325893528. The cubic root of 7972031330 is about 1997.6665560785. Note that the first 3 decimals are identical.

The spelling of 7972031330 in words is "seven billion, nine hundred seventy-two million, thirty-one thousand, three hundred thirty".