70424000 has 56 divisors (see below), whose sum is σ = 174424848. Its totient is φ = 28166400.

The previous prime is 70423961. The next prime is 70424027. The reversal of 70424000 is 42407.

It is a self number, because there is not a number n which added to its sum of digits gives 70424000.

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, 3599 + ... + 12401.

Almost surely, 2^70424000 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 70424000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87212424).

70424000 is an abundant number, since it is smaller than the sum of its proper divisors (104000848).

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

70424000 is an equidigital number, since it uses as much as digits as its factorization.

70424000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8830 (or 8810 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 70424000 is about 8391.9008573743. The cubic root of 70424000 is about 412.9589626750.

Adding to 70424000 its reverse (42407), we get a palindrome (70466407).

The spelling of 70424000 in words is "seventy million, four hundred twenty-four thousand".