72032373365 has 4 divisors (see below), whose sum is σ = 86438848044. Its totient is φ = 57625898688.

The previous prime is 72032373353. The next prime is 72032373367. The reversal of 72032373365 is 56337323027.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15399320836 + 56633052529 = 124094^2 + 237977^2 .

It is a cyclic number.

It is not a de Polignac number, because 72032373365 - 2⁴ = 72032373349 is a prime.

It is a super-2 number, since 2×72032373365² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72032373367) 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 3 ways as a sum of consecutive naturals, for example, 7203237332 + ... + 7203237341.

It is an arithmetic number, because the mean of its divisors is an integer number (21609712011).

Almost surely, 2^72032373365 is an apocalyptic number.

It is an amenable number.

72032373365 is a deficient number, since it is larger than the sum of its proper divisors (14406474679).

72032373365 is a wasteful number, since it uses less digits than its factorization.

72032373365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14406474678.

The product of its (nonzero) digits is 476280, while the sum is 41.

The spelling of 72032373365 in words is "seventy-two billion, thirty-two million, three hundred seventy-three thousand, three hundred sixty-five".