7394479990 has 16 divisors (see below), whose sum is σ = 13888762848. Its totient is φ = 2829192256.

The previous prime is 7394479957. The next prime is 7394479999. The reversal of 7394479990 is 999744937.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7394479999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16074727 + ... + 16075186.

It is an arithmetic number, because the mean of its divisors is an integer number (868047678).

Almost surely, 2^7394479990 is an apocalyptic number.

7394479990 is a deficient number, since it is larger than the sum of its proper divisors (6494282858).

7394479990 is a wasteful number, since it uses less digits than its factorization.

7394479990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32149943.

The product of its (nonzero) digits is 15431472, while the sum is 61.

The square root of 7394479990 is about 85991.1622784574. The cubic root of 7394479990 is about 1948.2104985479.

The spelling of 7394479990 in words is "seven billion, three hundred ninety-four million, four hundred seventy-nine thousand, nine hundred ninety".