70109424 has 120 divisors (see below), whose sum is σ = 244662912. Its totient is φ = 18207360.

The previous prime is 70109401. The next prime is 70109437. The reversal of 70109424 is 42490107.

It is a happy number.

It is a super-2 number, since 2×70109424² = 9830662667223552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7927 + ... + 14249.

Almost surely, 2^70109424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70109424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122331456).

70109424 is an abundant number, since it is smaller than the sum of its proper divisors (174553488).

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

70109424 is a wasteful number, since it uses less digits than its factorization.

70109424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6355 (or 6346 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 70109424 is about 8373.1370465316. The cubic root of 70109424 is about 412.3431646201.

The spelling of 70109424 in words is "seventy million, one hundred nine thousand, four hundred twenty-four".