72210120624613 has 8 divisors (see below), whose sum is σ = 76462739524440. Its totient is φ = 67958053363200.

The previous prime is 72210120624583. The next prime is 72210120624623. The reversal of 72210120624613 is 31642602101227.

It can be written as a sum of positive squares in 4 ways, for example, as 48647862939204 + 23562257685409 = 6974802^2 + 4854097^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72210120624613 - 2¹⁷ = 72210120493541 is a prime.

It is a super-2 number, since 2×72210120624613² (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 (72210120624623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137640078 + ... + 138163711.

It is an arithmetic number, because the mean of its divisors is an integer number (9557842440555).

Almost surely, 2^{72210120624613} is an apocalyptic number.

It is an amenable number.

72210120624613 is a deficient number, since it is larger than the sum of its proper divisors (4252618899827).

72210120624613 is a wasteful number, since it uses less digits than its factorization.

72210120624613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275819207.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 72210120624613 in words is "seventy-two trillion, two hundred ten billion, one hundred twenty million, six hundred twenty-four thousand, six hundred thirteen".