70420344 has 32 divisors (see below), whose sum is σ = 181731840. Its totient is φ = 22716000.

The previous prime is 70420333. The next prime is 70420367. The reversal of 70420344 is 44302407.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 46582 + ... + 48069.

It is an arithmetic number, because the mean of its divisors is an integer number (5679120).

Almost surely, 2^70420344 is an apocalyptic number.

It is an amenable number.

70420344 is an abundant number, since it is smaller than the sum of its proper divisors (111311496).

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

70420344 is a wasteful number, since it uses less digits than its factorization.

70420344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94691 (or 94687 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 70420344 is about 8391.6830254723. The cubic root of 70420344 is about 412.9518164176.

The spelling of 70420344 in words is "seventy million, four hundred twenty thousand, three hundred forty-four".