72057672237 has 8 divisors (see below), whose sum is σ = 96088859104. Its totient is φ = 48032466768.

The previous prime is 72057672191. The next prime is 72057672283. The reversal of 72057672237 is 73227675027.

It is an interprime number because it is at equal distance from previous prime (72057672191) and next prime (72057672283).

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

It is not a de Polignac number, because 72057672237 - 2⁶ = 72057672173 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 (72057672937) 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, 1467163 + ... + 1515480.

It is an arithmetic number, because the mean of its divisors is an integer number (12011107388).

Almost surely, 2^72057672237 is an apocalyptic number.

It is an amenable number.

72057672237 is a deficient number, since it is larger than the sum of its proper divisors (24031186867).

72057672237 is a wasteful number, since it uses less digits than its factorization.

72057672237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2990699.

The product of its (nonzero) digits is 1728720, while the sum is 48.

The spelling of 72057672237 in words is "seventy-two billion, fifty-seven million, six hundred seventy-two thousand, two hundred thirty-seven".