70549056 has 140 divisors (see below), whose sum is σ = 216367360. Its totient is φ = 22705920.

The previous prime is 70549043. The next prime is 70549067. The reversal of 70549056 is 65094507.

It is a super-2 number, since 2×70549056² = 9954338604982272, 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 70549056.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 160485 + ... + 160923.

Almost surely, 2^70549056 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 70549056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108183680).

70549056 is an abundant number, since it is smaller than the sum of its proper divisors (145818304).

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

70549056 is a wasteful number, since it uses less digits than its factorization.

70549056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 70549056 is about 8399.3485461671. The cubic root of 70549056 is about 413.2032565599.

It can be divided in two parts, 7054 and 9056, that added together give a triangular number (16110 = T₁₇₉).

The spelling of 70549056 in words is "seventy million, five hundred forty-nine thousand, fifty-six".