70419258 has 72 divisors (see below), whose sum is σ = 188873568. Its totient is φ = 18566496.

The previous prime is 70419247. The next prime is 70419269. The reversal of 70419258 is 85291407.

It is an interprime number because it is at equal distance from previous prime (70419247) and next prime (70419269).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

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 35 ways as a sum of consecutive naturals, for example, 19641 + ... + 22947.

It is an arithmetic number, because the mean of its divisors is an integer number (2623244).

Almost surely, 2^70419258 is an apocalyptic number.

70419258 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 70419258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94436784).

70419258 is an abundant number, since it is smaller than the sum of its proper divisors (118454310).

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

70419258 is a wasteful number, since it uses less digits than its factorization.

70419258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3348 (or 3332 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 70419258 is about 8391.6183182983. The cubic root of 70419258 is about 412.9496936031.

The spelling of 70419258 in words is "seventy million, four hundred nineteen thousand, two hundred fifty-eight".