70618816 has 56 divisors (see below), whose sum is σ = 151644096. Its totient is φ = 32501760.

The previous prime is 70618759. The next prime is 70618817. The reversal of 70618816 is 61881607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70618817) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 50446 + ... + 51826.

Almost surely, 2^70618816 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 70618816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75822048).

70618816 is an abundant number, since it is smaller than the sum of its proper divisors (81025280).

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

70618816 is a wasteful number, since it uses less digits than its factorization.

70618816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457 (or 1447 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 70618816 is about 8403.5002231213. The cubic root of 70618816 is about 413.3394056224.

The spelling of 70618816 in words is "seventy million, six hundred eighteen thousand, eight hundred sixteen".