72154070604012 has 48 divisors (see below), whose sum is σ = 169128970762752. Its totient is φ = 23941489464960.

The previous prime is 72154070603987. The next prime is 72154070604013. The reversal of 72154070604012 is 21040607045127.

It is a super-2 number, since 2×72154070604012² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72154070604013) 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, 6507937 + ... + 13662407.

It is an arithmetic number, because the mean of its divisors is an integer number (3523520224224).

Almost surely, 2^{72154070604012} is an apocalyptic number.

It is an amenable number.

72154070604012 is an abundant number, since it is smaller than the sum of its proper divisors (96974900158740).

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

72154070604012 is a wasteful number, since it uses less digits than its factorization.

72154070604012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7158318 (or 7158316 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

Adding to 72154070604012 its reverse (21040607045127), we get a palindrome (93194677649139).

The spelling of 72154070604012 in words is "seventy-two trillion, one hundred fifty-four billion, seventy million, six hundred four thousand, twelve".