7940625017 has 8 divisors (see below), whose sum is σ = 8578767624. Its totient is φ = 7306386048.

The previous prime is 7940624969. The next prime is 7940625031. The reversal of 7940625017 is 7105260497.

It can be written as a sum of positive squares in 4 ways, for example, as 79852096 + 7860772921 = 8936^2 + 88661^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7940625017 - 2²⁰ = 7939576441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7940625037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 971678 + ... + 979815.

It is an arithmetic number, because the mean of its divisors is an integer number (1072345953).

Almost surely, 2^7940625017 is an apocalyptic number.

It is an amenable number.

7940625017 is a deficient number, since it is larger than the sum of its proper divisors (638142607).

7940625017 is a wasteful number, since it uses less digits than its factorization.

7940625017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951819.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 7940625017 is about 89110.1846984956. The cubic root of 7940625017 is about 1995.0397930937.

The spelling of 7940625017 in words is "seven billion, nine hundred forty million, six hundred twenty-five thousand, seventeen".