7231972701 has 16 divisors (see below), whose sum is σ = 9993110400. Its totient is φ = 4646674368.

The previous prime is 7231972691. The next prime is 7231972721. The reversal of 7231972701 is 1072791327.

It is a de Polignac number, because none of the positive numbers 2^k-7231972701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7231972701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7231972721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26161 + ... + 123078.

It is an arithmetic number, because the mean of its divisors is an integer number (624569400).

Almost surely, 2^7231972701 is an apocalyptic number.

It is an amenable number.

7231972701 is a deficient number, since it is larger than the sum of its proper divisors (2761137699).

7231972701 is a wasteful number, since it uses less digits than its factorization.

7231972701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149828.

The product of its (nonzero) digits is 37044, while the sum is 39.

The square root of 7231972701 is about 85041.0059971071. The cubic root of 7231972701 is about 1933.8328175927.

The spelling of 7231972701 in words is "seven billion, two hundred thirty-one million, nine hundred seventy-two thousand, seven hundred one".