70426818 has 192 divisors, whose sum is σ = 208915200. Its totient is φ = 16934400.

The previous prime is 70426781. The next prime is 70426843. The reversal of 70426818 is 81862407.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1154508 + ... + 1154568.

It is an arithmetic number, because the mean of its divisors is an integer number (1088100).

Almost surely, 2^70426818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70426818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104457600).

70426818 is an abundant number, since it is smaller than the sum of its proper divisors (138488382).

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

70426818 is a wasteful number, since it uses less digits than its factorization.

70426818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 70426818 is about 8392.0687556764. The cubic root of 70426818 is about 412.9644707538.

The spelling of 70426818 in words is "seventy million, four hundred twenty-six thousand, eight hundred eighteen".