70804290 has 32 divisors (see below), whose sum is σ = 173140416. Its totient is φ = 18524480.

The previous prime is 70804267. The next prime is 70804301. The reversal of 70804290 is 9240807.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon 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, 20676 + ... + 23855.

It is an arithmetic number, because the mean of its divisors is an integer number (5410638).

Almost surely, 2^70804290 is an apocalyptic number.

70804290 is an abundant number, since it is smaller than the sum of its proper divisors (102336126).

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

70804290 is a wasteful number, since it uses less digits than its factorization.

70804290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44594.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 70804290 is about 8414.5285072902. The cubic root of 70804290 is about 413.7009555994.

The spelling of 70804290 in words is "seventy million, eight hundred four thousand, two hundred ninety".