70730424 has 48 divisors (see below), whose sum is σ = 193372920. Its totient is φ = 23353920.

The previous prime is 70730417. The next prime is 70730467. The reversal of 70730424 is 42403707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3114 + ... + 12294.

Almost surely, 2^70730424 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 70730424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96686460).

70730424 is an abundant number, since it is smaller than the sum of its proper divisors (122642496).

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

70730424 is a wasteful number, since it uses less digits than its factorization.

70730424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9300 (or 9293 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 70730424 is about 8410.1381677116. The cubic root of 70730424 is about 413.5570421559.

The spelling of 70730424 in words is "seventy million, seven hundred thirty thousand, four hundred twenty-four".