7972944365 has 8 divisors (see below), whose sum is σ = 9983513088. Its totient is φ = 6101035600.

The previous prime is 7972944313. The next prime is 7972944367. The reversal of 7972944365 is 5634492797.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7972944365 - 2²⁶ = 7905835501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7972944365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7972944367) 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, 34664861 + ... + 34665090.

It is an arithmetic number, because the mean of its divisors is an integer number (1247939136).

Almost surely, 2^7972944365 is an apocalyptic number.

It is an amenable number.

7972944365 is a deficient number, since it is larger than the sum of its proper divisors (2010568723).

7972944365 is a wasteful number, since it uses less digits than its factorization.

7972944365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69329979.

The product of its digits is 11430720, while the sum is 56.

The square root of 7972944365 is about 89291.3454092836. The cubic root of 7972944365 is about 1997.7428172714.

The spelling of 7972944365 in words is "seven billion, nine hundred seventy-two million, nine hundred forty-four thousand, three hundred sixty-five".