62747745025 has 81 divisors (see below), whose sum is σ = 96376669947. Its totient is φ = 40399833600.

The previous prime is 62747744981. The next prime is 62747745029. The reversal of 62747745025 is 52054774726.

The square root of 62747745025 is 250495.

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

It can be written as a sum of positive squares in 13 ways, for example, as 59692751041 + 3054993984 = 244321^2 + 55272^2 .

It is not a de Polignac number, because 62747745025 - 2²¹ = 62745647873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 62747745025.

It is not an unprimeable number, because it can be changed into a prime (62747745029) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 149044315 + ... + 149044735.

Almost surely, 2^62747745025 is an apocalyptic number.

62747745025 is the 250495-th square number.

62747745025 is the 125248-th centered octagonal number.

It is an amenable number.

62747745025 is a deficient number, since it is larger than the sum of its proper divisors (33628924922).

62747745025 is an equidigital number, since it uses as much as digits as its factorization.

62747745025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 3292800, while the sum is 49.

Multiplying 62747745025 by its sum of digits (49), we get a square (3074639506225 = 1753465²).

62747745025 divided by its sum of digits (49) gives a square (1280566225 = 35785²).

The spelling of 62747745025 in words is "sixty-two billion, seven hundred forty-seven million, seven hundred forty-five thousand, twenty-five".