70025878 has 16 divisors (see below), whose sum is σ = 113263920. Its totient is φ = 32278176.

The previous prime is 70025843. The next prime is 70025881. The reversal of 70025878 is 87852007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29728 + ... + 31996.

It is an arithmetic number, because the mean of its divisors is an integer number (7078995).

Almost surely, 2^70025878 is an apocalyptic number.

70025878 is a deficient number, since it is larger than the sum of its proper divisors (43238042).

70025878 is a wasteful number, since it uses less digits than its factorization.

70025878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3471.

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 70025878 is about 8368.1466287345. The cubic root of 70025878 is about 412.1793097338.

It can be divided in two parts, 700258 and 78, that added together give a triangular number (700336 = T₁₁₈₃).

The spelling of 70025878 in words is "seventy million, twenty-five thousand, eight hundred seventy-eight".