7628139002 has 16 divisors (see below), whose sum is σ = 12535990272. Its totient is φ = 3452452320.

The previous prime is 7628138971. The next prime is 7628139017. The reversal of 7628139002 is 2009318267.

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, 738938 + ... + 749189.

It is an arithmetic number, because the mean of its divisors is an integer number (783499392).

Almost surely, 2^7628139002 is an apocalyptic number.

7628139002 is a deficient number, since it is larger than the sum of its proper divisors (4907851270).

7628139002 is a wasteful number, since it uses less digits than its factorization.

7628139002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488373.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 7628139002 is about 87339.2180065748. The cubic root of 7628139002 is about 1968.5186456994.

The spelling of 7628139002 in words is "seven billion, six hundred twenty-eight million, one hundred thirty-nine thousand, two".