70189056 has 204 divisors, whose sum is σ = 245364912. Its totient is φ = 18874368.

The previous prime is 70189043. The next prime is 70189057. The reversal of 70189056 is 65098107.

It is a tau number, because it is divible by the number of its divisors (204).

It is a super-2 number, since 2×70189056² = 9853007164342272, which contains 22 as substring.

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 a self number, because there is not a number n which added to its sum of digits gives 70189056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70189057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4128760 + ... + 4128776.

Almost surely, 2^70189056 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 70189056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122682456).

70189056 is an abundant number, since it is smaller than the sum of its proper divisors (175175856).

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

70189056 is an equidigital number, since it uses as much as digits as its factorization.

70189056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 29 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 70189056 is about 8377.8909040402. The cubic root of 70189056 is about 412.4992220371.

The spelling of 70189056 in words is "seventy million, one hundred eighty-nine thousand, fifty-six".