7265570657 has 4 divisors (see below), whose sum is σ = 7499943936. Its totient is φ = 7031197380.

The previous prime is 7265570647. The next prime is 7265570659. The reversal of 7265570657 is 7560755627.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7265570657 - 2⁸ = 7265570401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7265570659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117186593 + ... + 117186654.

It is an arithmetic number, because the mean of its divisors is an integer number (1874985984).

Almost surely, 2^7265570657 is an apocalyptic number.

It is an amenable number.

7265570657 is a deficient number, since it is larger than the sum of its proper divisors (234373279).

7265570657 is a wasteful number, since it uses less digits than its factorization.

7265570657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234373278.

The product of its (nonzero) digits is 3087000, while the sum is 50.

The square root of 7265570657 is about 85238.3168357987. The cubic root of 7265570657 is about 1936.8228949241.

The spelling of 7265570657 in words is "seven billion, two hundred sixty-five million, five hundred seventy thousand, six hundred fifty-seven".