7498879428 has 48 divisors (see below), whose sum is σ = 18270766080. Its totient is φ = 2389293984.

The previous prime is 7498879417. The next prime is 7498879483. The reversal of 7498879428 is 8249788947.

Its product of digits (65028096) is a multiple of the sum of its prime factors (18816).

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, 427201 + ... + 444407.

It is an arithmetic number, because the mean of its divisors is an integer number (380640960).

Almost surely, 2^7498879428 is an apocalyptic number.

It is an amenable number.

7498879428 is an abundant number, since it is smaller than the sum of its proper divisors (10771886652).

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

7498879428 is a wasteful number, since it uses less digits than its factorization.

7498879428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18816 (or 18814 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 66.

The square root of 7498879428 is about 86596.0705113113. The cubic root of 7498879428 is about 1957.3363292608.

The spelling of 7498879428 in words is "seven billion, four hundred ninety-eight million, eight hundred seventy-nine thousand, four hundred twenty-eight".