7900028934 has 32 divisors (see below), whose sum is σ = 18441409536. Its totient is φ = 2209126080.

The previous prime is 7900028921. The next prime is 7900028963. The reversal of 7900028934 is 4398200097.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 1999047 + ... + 2002994.

It is an arithmetic number, because the mean of its divisors is an integer number (576294048).

Almost surely, 2^7900028934 is an apocalyptic number.

7900028934 is an abundant number, since it is smaller than the sum of its proper divisors (10541380602).

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

7900028934 is a wasteful number, since it uses less digits than its factorization.

7900028934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4002100.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 7900028934 is about 88882.1069394735. The cubic root of 7900028934 is about 1991.6341327583.

The spelling of 7900028934 in words is "seven billion, nine hundred million, twenty-eight thousand, nine hundred thirty-four".