70950890 has 32 divisors (see below), whose sum is σ = 131132736. Its totient is φ = 27630720.

The previous prime is 70950881. The next prime is 70950931. The reversal of 70950890 is 9805907.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 60005 + ... + 61175.

It is an arithmetic number, because the mean of its divisors is an integer number (4097898).

Almost surely, 2^70950890 is an apocalyptic number.

70950890 is a deficient number, since it is larger than the sum of its proper divisors (60181846).

70950890 is a wasteful number, since it uses less digits than its factorization.

70950890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 70950890 is about 8423.2351267194. The cubic root of 70950890 is about 413.9862808277.

The spelling of 70950890 in words is "seventy million, nine hundred fifty thousand, eight hundred ninety".