70889125 has 16 divisors (see below), whose sum is σ = 88798320. Its totient is φ = 56500800.

The previous prime is 70889101. The next prime is 70889141. The reversal of 70889125 is 52198807.

It can be written as a sum of positive squares in 8 ways, for example, as 22905796 + 47983329 = 4786^2 + 6927^2 .

It is a de Polignac number, because none of the positive numbers 2^k-70889125 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38731 + ... + 40519.

It is an arithmetic number, because the mean of its divisors is an integer number (5549895).

Almost surely, 2^70889125 is an apocalyptic number.

It is an amenable number.

70889125 is a deficient number, since it is larger than the sum of its proper divisors (17909195).

70889125 is a wasteful number, since it uses less digits than its factorization.

70889125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121 (or 2111 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 70889125 is about 8419.5679817910. The cubic root of 70889125 is about 413.8661165563.

The spelling of 70889125 in words is "seventy million, eight hundred eighty-nine thousand, one hundred twenty-five".