7317947025 has 45 divisors (see below), whose sum is σ = 13562501953. Its totient is φ = 3900852000.

The previous prime is 7317946991. The next prime is 7317947081. The reversal of 7317947025 is 5207497137.

The square root of 7317947025 is 85545.

It is a perfect power (a square), and thus also a powerful number.

7317947025 is a `hidden beast` number, since 7 + 3 + 179 + 470 + 2 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2570185809 + 4747761216 = 50697^2 + 68904^2 .

It is a tau number, because it is divible by the number of its divisors (45).

It is not a de Polignac number, because 7317947025 - 2⁷ = 7317946897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 3848575 + ... + 3850475.

Almost surely, 2^7317947025 is an apocalyptic number.

7317947025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7317947025 is the 85545-th square number.

7317947025 is the 42773-rd centered octagonal number.

It is an amenable number.

7317947025 is a deficient number, since it is larger than the sum of its proper divisors (6244554928).

7317947025 is an frugal number, since it uses more digits than its factorization.

7317947025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824 (or 1909 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The cubic root of 7317947025 is about 1941.4658409038.

The spelling of 7317947025 in words is "seven billion, three hundred seventeen million, nine hundred forty-seven thousand, twenty-five".