70358418 has 72 divisors (see below), whose sum is σ = 167434020. Its totient is φ = 21340800.

The previous prime is 70358417. The next prime is 70358429. The reversal of 70358418 is 81485307.

70358418 is a `hidden beast` number, since 70 + 3 + 584 + 1 + 8 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 46416969 + 23941449 = 6813^2 + 4893^2 .

It is not an unprimeable number, because it can be changed into a prime (70358411) 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 35 ways as a sum of consecutive naturals, for example, 307128 + ... + 307356.

Almost surely, 2^70358418 is an apocalyptic number.

70358418 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 70358418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83717010).

70358418 is an abundant number, since it is smaller than the sum of its proper divisors (97075602).

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

70358418 is a wasteful number, since it uses less digits than its factorization.

70358418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 70358418 is about 8387.9924892670. The cubic root of 70358418 is about 412.8307342021.

The spelling of 70358418 in words is "seventy million, three hundred fifty-eight thousand, four hundred eighteen".