72375730946 has 8 divisors (see below), whose sum is σ = 114949690380. Its totient is φ = 34059167488.

The previous prime is 72375730939. The next prime is 72375730949. The reversal of 72375730946 is 64903757327.

It can be written as a sum of positive squares in 2 ways, for example, as 58847482225 + 13528248721 = 242585^2 + 116311^2 .

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

It is not an unprimeable number, because it can be changed into a prime (72375730949) 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, 1064348951 + ... + 1064349018.

Almost surely, 2^72375730946 is an apocalyptic number.

72375730946 is a deficient number, since it is larger than the sum of its proper divisors (42573959434).

72375730946 is a wasteful number, since it uses less digits than its factorization.

72375730946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128697988.

The product of its (nonzero) digits is 6667920, while the sum is 53.

The spelling of 72375730946 in words is "seventy-two billion, three hundred seventy-five million, seven hundred thirty thousand, nine hundred forty-six".