70019430 has 128 divisors (see below), whose sum is σ = 195955200. Its totient is φ = 15857664.

The previous prime is 70019387. The next prime is 70019441. The reversal of 70019430 is 3491007.

It is a self number, because there is not a number n which added to its sum of digits gives 70019430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 391081 + ... + 391259.

It is an arithmetic number, because the mean of its divisors is an integer number (1530900).

Almost surely, 2^70019430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70019430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97977600).

70019430 is an abundant number, since it is smaller than the sum of its proper divisors (125935770).

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

70019430 is a wasteful number, since it uses less digits than its factorization.

70019430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 70019430 is about 8367.7613493694. The cubic root of 70019430 is about 412.1666581549.

The spelling of 70019430 in words is "seventy million, nineteen thousand, four hundred thirty".