72031064527654 has 16 divisors (see below), whose sum is σ = 108074484246960. Its totient is φ = 36006236834400.

The previous prime is 72031064527649. The next prime is 72031064527679. The reversal of 72031064527654 is 45672546013027.

It is a super-2 number, since 2×72031064527654² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605747604 + ... + 605866504.

It is an arithmetic number, because the mean of its divisors is an integer number (6754655265435).

Almost surely, 2^{72031064527654} is an apocalyptic number.

72031064527654 is a deficient number, since it is larger than the sum of its proper divisors (36043419719306).

72031064527654 is a wasteful number, since it uses less digits than its factorization.

72031064527654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194535.

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 72031064527654 in words is "seventy-two trillion, thirty-one billion, sixty-four million, five hundred twenty-seven thousand, six hundred fifty-four".