72154446316310 has 32 divisors (see below), whose sum is σ = 130877918750592. Its totient is φ = 28639742261760.

The previous prime is 72154446316301. The next prime is 72154446316313. The reversal of 72154446316310 is 1361364445127.

It is a happy number.

It is a super-2 number, since 2×72154446316310² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72154446316313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6991982 + ... + 13899521.

It is an arithmetic number, because the mean of its divisors is an integer number (4089934960956).

Almost surely, 2^{72154446316310} is an apocalyptic number.

72154446316310 is a deficient number, since it is larger than the sum of its proper divisors (58723472434282).

72154446316310 is a wasteful number, since it uses less digits than its factorization.

72154446316310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20894168.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 72154446316310 in words is "seventy-two trillion, one hundred fifty-four billion, four hundred forty-six million, three hundred sixteen thousand, three hundred ten".