7390640275 has 12 divisors (see below), whose sum is σ = 9293472144. Its totient is φ = 5829236000.

The previous prime is 7390640263. The next prime is 7390640293. The reversal of 7390640275 is 5720460937.

It is a de Polignac number, because none of the positive numbers 2^k-7390640275 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2080096 + ... + 2083645.

It is an arithmetic number, because the mean of its divisors is an integer number (774456012).

Almost surely, 2^7390640275 is an apocalyptic number.

7390640275 is a deficient number, since it is larger than the sum of its proper divisors (1902831869).

7390640275 is a wasteful number, since it uses less digits than its factorization.

7390640275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4163822 (or 4163817 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 7390640275 is about 85968.8331606286. The cubic root of 7390640275 is about 1947.8732258677.

The spelling of 7390640275 in words is "seven billion, three hundred ninety million, six hundred forty thousand, two hundred seventy-five".