72152246574170 has 32 divisors (see below), whose sum is σ = 148434378633216. Its totient is φ = 24736763116800.

The previous prime is 72152246574157. The next prime is 72152246574259. The reversal of 72152246574170 is 7147564225127.

It is a super-2 number, since 2×72152246574170² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22440986 + ... + 25453925.

It is an arithmetic number, because the mean of its divisors is an integer number (4638574332288).

Almost surely, 2^{72152246574170} is an apocalyptic number.

72152246574170 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72152246574170 is an abundant number, since it is smaller than the sum of its proper divisors (76282132059046).

72152246574170 is a wasteful number, since it uses less digits than its factorization.

72152246574170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47916446.

The product of its (nonzero) digits is 6585600, while the sum is 53.

The spelling of 72152246574170 in words is "seventy-two trillion, one hundred fifty-two billion, two hundred forty-six million, five hundred seventy-four thousand, one hundred seventy".