75072216606072 has 64 divisors (see below), whose sum is σ = 215224102356480. Its totient is φ = 21375999253632.

The previous prime is 75072216606059. The next prime is 75072216606073. The reversal of 75072216606072 is 27060661227057.

It is a happy number.

It is a super-2 number, since 2×75072216606072² (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 (75072216606073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 762507828 + ... + 762606275.

It is an arithmetic number, because the mean of its divisors is an integer number (3362876599320).

Almost surely, 2^{75072216606072} is an apocalyptic number.

It is an amenable number.

75072216606072 is an abundant number, since it is smaller than the sum of its proper divisors (140151885750408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75072216606072 is a wasteful number, since it uses less digits than its factorization.

75072216606072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525114412 (or 1525114408 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 51.

The spelling of 75072216606072 in words is "seventy-five trillion, seventy-two billion, two hundred sixteen million, six hundred six thousand, seventy-two".