7381880628 has 24 divisors (see below), whose sum is σ = 17236652160. Its totient is φ = 2458874880.

The previous prime is 7381880617. The next prime is 7381880663. The reversal of 7381880628 is 8260881837.

It is a congruent number.

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, 201388 + ... + 235203.

It is an arithmetic number, because the mean of its divisors is an integer number (718193840).

Almost surely, 2^7381880628 is an apocalyptic number.

It is an amenable number.

7381880628 is an abundant number, since it is smaller than the sum of its proper divisors (9854771532).

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

7381880628 is a wasteful number, since it uses less digits than its factorization.

7381880628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438007 (or 438005 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 51.

The square root of 7381880628 is about 85917.8714121806. The cubic root of 7381880628 is about 1947.1033589927.

The spelling of 7381880628 in words is "seven billion, three hundred eighty-one million, eight hundred eighty thousand, six hundred twenty-eight".