70890246 has 24 divisors (see below), whose sum is σ = 175538064. Its totient is φ = 20254320.

The previous prime is 70890233. The next prime is 70890247. The reversal of 70890246 is 64209807.

It is a self number, because there is not a number n which added to its sum of digits gives 70890246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70890247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 281185 + ... + 281436.

It is an arithmetic number, because the mean of its divisors is an integer number (7314086).

Almost surely, 2^70890246 is an apocalyptic number.

70890246 is an abundant number, since it is smaller than the sum of its proper divisors (104647818).

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

70890246 is a wasteful number, since it uses less digits than its factorization.

70890246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562636 (or 562633 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 70890246 is about 8419.6345526394. The cubic root of 70890246 is about 413.8682980920.

The spelling of 70890246 in words is "seventy million, eight hundred ninety thousand, two hundred forty-six".