72245943754670 has 16 divisors (see below), whose sum is σ = 148620227152608. Its totient is φ = 24770037858720.

The previous prime is 72245943754657. The next prime is 72245943754703. The reversal of 72245943754670 is 7645734954227.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 72245943754597 and 72245943754606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516042455321 + ... + 516042455460.

It is an arithmetic number, because the mean of its divisors is an integer number (9288764197038).

Almost surely, 2^{72245943754670} is an apocalyptic number.

72245943754670 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72245943754670 is an abundant number, since it is smaller than the sum of its proper divisors (76374283397938).

72245943754670 is a wasteful number, since it uses less digits than its factorization.

72245943754670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032084910795.

The product of its (nonzero) digits is 355622400, while the sum is 65.

The spelling of 72245943754670 in words is "seventy-two trillion, two hundred forty-five billion, nine hundred forty-three million, seven hundred fifty-four thousand, six hundred seventy".