70390722 has 8 divisors (see below), whose sum is σ = 140781456. Its totient is φ = 23463572.

The previous prime is 70390711. The next prime is 70390753. The reversal of 70390722 is 22709307.

It is a sphenic number, since it is the product of 3 distinct primes.

70390722 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 70390722.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5865888 + ... + 5865899.

It is an arithmetic number, because the mean of its divisors is an integer number (17597682).

Almost surely, 2^70390722 is an apocalyptic number.

70390722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

70390722 is a wasteful number, since it uses less digits than its factorization.

70390722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11731792.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 70390722 is about 8389.9178780248. The cubic root of 70390722 is about 412.8939061907.

The spelling of 70390722 in words is "seventy million, three hundred ninety thousand, seven hundred twenty-two".