70890006 has 32 divisors (see below), whose sum is σ = 157966848. Its totient is φ = 21023840.

The previous prime is 70889999. The next prime is 70890011. The reversal of 70890006 is 60009807.

It is a happy number.

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, 8325 + ... + 14528.

It is an arithmetic number, because the mean of its divisors is an integer number (4936464).

Almost surely, 2^70890006 is an apocalyptic number.

70890006 is an abundant number, since it is smaller than the sum of its proper divisors (87076842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70890006 is a wasteful number, since it uses less digits than its factorization.

70890006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22916.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 70890006 is about 8419.6203002273. The cubic root of 70890006 is about 413.8678310390.

The spelling of 70890006 in words is "seventy million, eight hundred ninety thousand, six".