26707730625 has 45 divisors (see below), whose sum is σ = 48228993813. Its totient is φ = 14237586000.

The previous prime is 26707730603. The next prime is 26707730657. The reversal of 26707730625 is 52603770762.

The square root of 26707730625 is 163425.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2093886081 + 24613844544 = 45759^2 + 156888^2 .

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

It is not a de Polignac number, because 26707730625 - 2⁵ = 26707730593 is a prime.

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

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, 12255786 + ... + 12257964.

Almost surely, 2^26707730625 is an apocalyptic number.

26707730625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

26707730625 is the 163425-th square number.

26707730625 is the 81713-rd centered octagonal number.

It is an amenable number.

26707730625 is a deficient number, since it is larger than the sum of its proper divisors (21521263188).

26707730625 is an frugal number, since it uses more digits than its factorization.

26707730625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4384 (or 2187 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 45.

The spelling of 26707730625 in words is "twenty-six billion, seven hundred seven million, seven hundred thirty thousand, six hundred twenty-five".