7671625407 has 24 divisors (see below), whose sum is σ = 11239692464. Its totient is φ = 5041367424.

The previous prime is 7671625393. The next prime is 7671625433. The reversal of 7671625407 is 7045261767.

It is not a de Polignac number, because 7671625407 - 2⁷ = 7671625279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7671625447) 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, 1914468 + ... + 1918470.

Almost surely, 2^7671625407 is an apocalyptic number.

7671625407 is a deficient number, since it is larger than the sum of its proper divisors (3568067057).

7671625407 is a wasteful number, since it uses less digits than its factorization.

7671625407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6999 (or 6996 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The square root of 7671625407 is about 87587.8154026004. The cubic root of 7671625407 is about 1972.2522624477.

The spelling of 7671625407 in words is "seven billion, six hundred seventy-one million, six hundred twenty-five thousand, four hundred seven".