70687475 has 6 divisors (see below), whose sum is σ = 87652500. Its totient is φ = 56549960.

The previous prime is 70687453. The next prime is 70687493. The reversal of 70687475 is 57478607.

It is not a de Polignac number, because 70687475 - 2⁸ = 70687219 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1413725 + ... + 1413774.

It is an arithmetic number, because the mean of its divisors is an integer number (14608750).

Almost surely, 2^70687475 is an apocalyptic number.

70687475 is a deficient number, since it is larger than the sum of its proper divisors (16965025).

70687475 is a wasteful number, since it uses less digits than its factorization.

70687475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2827509 (or 2827504 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 44.

The square root of 70687475 is about 8407.5843736474. The cubic root of 70687475 is about 413.4733183647.

The spelling of 70687475 in words is "seventy million, six hundred eighty-seven thousand, four hundred seventy-five".