70889942 has 4 divisors (see below), whose sum is σ = 106334916. Its totient is φ = 35444970.

The previous prime is 70889941. The next prime is 70889971. The reversal of 70889942 is 24998807.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70889941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17722484 + ... + 17722487.

It is an arithmetic number, because the mean of its divisors is an integer number (26583729).

Almost surely, 2^70889942 is an apocalyptic number.

70889942 is a deficient number, since it is larger than the sum of its proper divisors (35444974).

70889942 is a wasteful number, since it uses less digits than its factorization.

70889942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35444973.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 70889942 is about 8419.6164995800. The cubic root of 70889942 is about 413.8677064913.

The spelling of 70889942 in words is "seventy million, eight hundred eighty-nine thousand, nine hundred forty-two".