7542120468872 has 32 divisors (see below), whose sum is σ = 16239015367200. Its totient is φ = 3247803072000.

The previous prime is 7542120468769. The next prime is 7542120468881. The reversal of 7542120468872 is 2788640212457.

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, 2255417129 + ... + 2255420472.

It is an arithmetic number, because the mean of its divisors is an integer number (507469230225).

Almost surely, 2^{7542120468872} is an apocalyptic number.

It is an amenable number.

7542120468872 is an abundant number, since it is smaller than the sum of its proper divisors (8696894898328).

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

7542120468872 is a wasteful number, since it uses less digits than its factorization.

7542120468872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4510837637 (or 4510837633 counting only the distinct ones).

The product of its (nonzero) digits is 12042240, while the sum is 56.

The spelling of 7542120468872 in words is "seven trillion, five hundred forty-two billion, one hundred twenty million, four hundred sixty-eight thousand, eight hundred seventy-two".