70230990 has 16 divisors (see below), whose sum is σ = 168554448. Its totient is φ = 18728256.

The previous prime is 70230977. The next prime is 70231009. The reversal of 70230990 is 9903207.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2341033 = 70230990 / (7 + 0 + 2 + 3 + 0 + 9 + 9 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1170487 + ... + 1170546.

It is an arithmetic number, because the mean of its divisors is an integer number (10534653).

Almost surely, 2^70230990 is an apocalyptic number.

70230990 is an abundant number, since it is smaller than the sum of its proper divisors (98323458).

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

70230990 is a wasteful number, since it uses less digits than its factorization.

70230990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341043.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 70230990 is about 8380.3931888665. The cubic root of 70230990 is about 412.5813540184.

The spelling of 70230990 in words is "seventy million, two hundred thirty thousand, nine hundred ninety".