7901437842 has 32 divisors (see below), whose sum is σ = 17697024000. Its totient is φ = 2613071664.

The previous prime is 7901437813. The next prime is 7901437891. The reversal of 7901437842 is 2487341097.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569217 + ... + 582932.

It is an arithmetic number, because the mean of its divisors is an integer number (553032000).

Almost surely, 2^7901437842 is an apocalyptic number.

7901437842 is an abundant number, since it is smaller than the sum of its proper divisors (9795586158).

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

7901437842 is a wasteful number, since it uses less digits than its factorization.

7901437842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152287 (or 1152281 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 7901437842 is about 88890.0322983404. The cubic root of 7901437842 is about 1991.7525231462.

The spelling of 7901437842 in words is "seven billion, nine hundred one million, four hundred thirty-seven thousand, eight hundred forty-two".