7499940338 has 54 divisors (see below), whose sum is σ = 13095372717. Its totient is φ = 3218616720.

The previous prime is 7499940323. The next prime is 7499940449. The reversal of 7499940338 is 8330499947.

It can be written as a sum of positive squares in 2 ways, for example, as 5443045729 + 2056894609 = 73777^2 + 45353^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=61237.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 25596920 + ... + 25597212.

Almost surely, 2^7499940338 is an apocalyptic number.

7499940338 is a deficient number, since it is larger than the sum of its proper divisors (5595432379).

7499940338 is a wasteful number, since it uses less digits than its factorization.

7499940338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 56.

The square root of 7499940338 is about 86602.1959190412. The cubic root of 7499940338 is about 1957.4286301522.

The spelling of 7499940338 in words is "seven billion, four hundred ninety-nine million, nine hundred forty thousand, three hundred thirty-eight".