72375457327 has 4 divisors (see below), whose sum is σ = 73561940296. Its totient is φ = 71188974360.

The previous prime is 72375457307. The next prime is 72375457367.

72375457327 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 72375457327 - 2⁷ = 72375457199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72375457307) 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, 593241393 + ... + 593241514.

It is an arithmetic number, because the mean of its divisors is an integer number (18390485074).

Almost surely, 2^72375457327 is an apocalyptic number.

72375457327 is a deficient number, since it is larger than the sum of its proper divisors (1186482969).

72375457327 is a wasteful number, since it uses less digits than its factorization.

72375457327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186482968.

The product of its digits is 8643600, while the sum is 52.

The spelling of 72375457327 in words is "seventy-two billion, three hundred seventy-five million, four hundred fifty-seven thousand, three hundred twenty-seven".