70381458 has 24 divisors (see below), whose sum is σ = 174278208. Its totient is φ = 20108952.

The previous prime is 70381433. The next prime is 70381481. The reversal of 70381458 is 85418307.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a zygodrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 279166 + ... + 279417.

It is an arithmetic number, because the mean of its divisors is an integer number (7261592).

Almost surely, 2^70381458 is an apocalyptic number.

70381458 is an abundant number, since it is smaller than the sum of its proper divisors (103896750).

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

70381458 is a wasteful number, since it uses less digits than its factorization.

70381458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558598 (or 558595 counting only the distinct ones).

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

The square root of 70381458 is about 8389.3657686383. The cubic root of 70381458 is about 412.8757919807.

The spelling of 70381458 in words is "seventy million, three hundred eighty-one thousand, four hundred fifty-eight".