72277044373 has 8 divisors (see below), whose sum is σ = 76584950720. Its totient is φ = 68019523200.

The previous prime is 72277044337. The next prime is 72277044383. The reversal of 72277044373 is 37344077227.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72277044373 is a prime.

It is a super-2 number, since 2×72277044373² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72277044313) 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, 12593340 + ... + 12599077.

It is an arithmetic number, because the mean of its divisors is an integer number (9573118840).

Almost surely, 2^72277044373 is an apocalyptic number.

It is an amenable number.

72277044373 is a deficient number, since it is larger than the sum of its proper divisors (4307906347).

72277044373 is a wasteful number, since it uses less digits than its factorization.

72277044373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25192587.

The product of its (nonzero) digits is 1382976, while the sum is 46.

The spelling of 72277044373 in words is "seventy-two billion, two hundred seventy-seven million, forty-four thousand, three hundred seventy-three".