70172416 has 36 divisors (see below), whose sum is σ = 140729400. Its totient is φ = 34921472.

The previous prime is 70172411. The next prime is 70172423. The reversal of 70172416 is 61427107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70172411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68355 + ... + 69373.

It is an arithmetic number, because the mean of its divisors is an integer number (3909150).

Almost surely, 2^70172416 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 70172416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70364700).

70172416 is an abundant number, since it is smaller than the sum of its proper divisors (70556984).

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

70172416 is a wasteful number, since it uses less digits than its factorization.

70172416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304 (or 1290 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 70172416 is about 8376.8977551358. The cubic root of 70172416 is about 412.4666218477.

The spelling of 70172416 in words is "seventy million, one hundred seventy-two thousand, four hundred sixteen".