70323084225 has 135 divisors (see below), whose sum is σ = 133734211699. Its totient is φ = 36531885600.

The previous prime is 70323084203. The next prime is 70323084277. The reversal of 70323084225 is 52248032307.

The square root of 70323084225 is 265185.

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

It can be written as a sum of positive squares in only one way, i.e., 25316310321 + 45006773904 = 159111^2 + 212148^2 .

It is a tau number, because it is divible by the number of its divisors (135).

It is not a de Polignac number, because 70323084225 - 2²⁷ = 70188866497 is a prime.

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 70323084225.

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 847266034 + ... + 847266116.

Almost surely, 2^70323084225 is an apocalyptic number.

70323084225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

70323084225 is the 265185-th square number.

70323084225 is the 132593-rd centered octagonal number.

It is an amenable number.

70323084225 is a deficient number, since it is larger than the sum of its proper divisors (63411127474).

70323084225 is an frugal number, since it uses more digits than its factorization.

70323084225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

Multiplying 70323084225 by its sum of digits (36), we get a square (2531631032100 = 1591110²).

The spelling of 70323084225 in words is "seventy billion, three hundred twenty-three million, eighty-four thousand, two hundred twenty-five".