7399990071 has 24 divisors (see below), whose sum is σ = 10997083760. Its totient is φ = 4793095296.

The previous prime is 7399990051. The next prime is 7399990139. The reversal of 7399990071 is 1700999937.

It is not a de Polignac number, because 7399990071 - 2⁶ = 7399990007 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7399990051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40036 + ... + 128073.

Almost surely, 2^7399990071 is an apocalyptic number.

7399990071 is a deficient number, since it is larger than the sum of its proper divisors (3597093689).

7399990071 is a wasteful number, since it uses less digits than its factorization.

7399990071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168255 (or 168252 counting only the distinct ones).

The product of its (nonzero) digits is 964467, while the sum is 54.

The square root of 7399990071 is about 86023.1949592667. The cubic root of 7399990071 is about 1948.6942888160.

The spelling of 7399990071 in words is "seven billion, three hundred ninety-nine million, nine hundred ninety thousand, seventy-one".