72031064527653 has 64 divisors (see below), whose sum is σ = 122003197028352. Its totient is φ = 36711516890880.

The previous prime is 72031064527649. The next prime is 72031064527679. The reversal of 72031064527653 is 35672546013027.

It is a happy number.

It is not a de Polignac number, because 72031064527653 - 2² = 72031064527649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72031064527596 and 72031064527605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72031064526653) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 464630050 + ... + 464785052.

It is an arithmetic number, because the mean of its divisors is an integer number (1906299953568).

Almost surely, 2^{72031064527653} is an apocalyptic number.

It is an amenable number.

72031064527653 is a deficient number, since it is larger than the sum of its proper divisors (49972132500699).

72031064527653 is a wasteful number, since it uses less digits than its factorization.

72031064527653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193034.

The product of its (nonzero) digits is 6350400, while the sum is 51.

The spelling of 72031064527653 in words is "seventy-two trillion, thirty-one billion, sixty-four million, five hundred twenty-seven thousand, six hundred fifty-three".