70120590 has 32 divisors (see below), whose sum is σ = 171468576. Its totient is φ = 18345600.

The previous prime is 70120571. The next prime is 70120591. The reversal of 70120590 is 9502107.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 70120590.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70120591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20461 + ... + 23640.

It is an arithmetic number, because the mean of its divisors is an integer number (5358393).

Almost surely, 2^70120590 is an apocalyptic number.

70120590 is an abundant number, since it is smaller than the sum of its proper divisors (101347986).

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

70120590 is a wasteful number, since it uses less digits than its factorization.

70120590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44164.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 70120590 is about 8373.8037951698. The cubic root of 70120590 is about 412.3650541137.

Adding to 70120590 its reverse (9502107), we get a palindrome (79622697).

The spelling of 70120590 in words is "seventy million, one hundred twenty thousand, five hundred ninety".