70189416 has 160 divisors (see below), whose sum is σ = 220413600. Its totient is φ = 20684160.

The previous prime is 70189397. The next prime is 70189423. The reversal of 70189416 is 61498107.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 306390 + ... + 306618.

It is an arithmetic number, because the mean of its divisors is an integer number (1377585).

Almost surely, 2^70189416 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 70189416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110206800).

70189416 is an abundant number, since it is smaller than the sum of its proper divisors (150224184).

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

70189416 is a wasteful number, since it uses less digits than its factorization.

70189416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 70189416 is about 8377.9123891337. The cubic root of 70189416 is about 412.4999272727.

The spelling of 70189416 in words is "seventy million, one hundred eighty-nine thousand, four hundred sixteen".