70487595025 has 27 divisors (see below), whose sum is σ = 90571965393. Its totient is φ = 54415855200.

The previous prime is 70487595001. The next prime is 70487595029. The reversal of 70487595025 is 52059578407.

It is a happy number.

The square root of 70487595025 is 265495.

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

It can be written as a sum of positive squares in 4 ways, for example, as 968890129 + 69518704896 = 31127^2 + 263664^2 .

It is not a de Polignac number, because 70487595025 - 2²³ = 70479206417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70487595029) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 38495860 + ... + 38497690.

Almost surely, 2^70487595025 is an apocalyptic number.

70487595025 is the 265495-th square number.

70487595025 is the 132748-th centered octagonal number.

It is an amenable number.

70487595025 is a deficient number, since it is larger than the sum of its proper divisors (20084370368).

70487595025 is an frugal number, since it uses more digits than its factorization.

70487595025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730 (or 1865 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 52.

The spelling of 70487595025 in words is "seventy billion, four hundred eighty-seven million, five hundred ninety-five thousand, twenty-five".