70172244 has 60 divisors (see below), whose sum is σ = 193116000. Its totient is φ = 22157712.

The previous prime is 70172233. The next prime is 70172261. The reversal of 70172244 is 44227107.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 457 + ... + 11855.

It is an arithmetic number, because the mean of its divisors is an integer number (3218600).

Almost surely, 2^70172244 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 70172244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96558000).

70172244 is an abundant number, since it is smaller than the sum of its proper divisors (122943756).

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

70172244 is a wasteful number, since it uses less digits than its factorization.

70172244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11434 (or 11423 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 70172244 is about 8376.8874887992. The cubic root of 70172244 is about 412.4662848477.

It can be divided in two parts, 7017 and 2244, that added together give a cube (9261 = 21³).

The spelling of 70172244 in words is "seventy million, one hundred seventy-two thousand, two hundred forty-four".