6407716025 has 24 divisors (see below), whose sum is σ = 8354357400. Its totient is φ = 4868236800.

The previous prime is 6407715989. The next prime is 6407716043. The reversal of 6407716025 is 5206177046.

It can be written as a sum of positive squares in 12 ways, for example, as 2782351504 + 3625364521 = 52748^2 + 60211^2 .

It is not a de Polignac number, because 6407716025 - 2⁶ = 6407715961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6407716025.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28220 + ... + 116669.

It is an arithmetic number, because the mean of its divisors is an integer number (348098225).

Almost surely, 2^6407716025 is an apocalyptic number.

It is an amenable number.

6407716025 is a deficient number, since it is larger than the sum of its proper divisors (1946641375).

6407716025 is a wasteful number, since it uses less digits than its factorization.

6407716025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144989 (or 144984 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 6407716025 is about 80048.2106295950. The cubic root of 6407716025 is about 1857.3813716132.

The spelling of 6407716025 in words is "six billion, four hundred seven million, seven hundred sixteen thousand, twenty-five".