70503018 has 16 divisors (see below), whose sum is σ = 141362496. Its totient is φ = 23441600.

The previous prime is 70502989. The next prime is 70503047. The reversal of 70503018 is 81030507.

It is an interprime number because it is at equal distance from previous prime (70502989) and next prime (70503047).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12246 + ... + 17057.

It is an arithmetic number, because the mean of its divisors is an integer number (8835156).

Almost surely, 2^70503018 is an apocalyptic number.

70503018 is an abundant number, since it is smaller than the sum of its proper divisors (70859478).

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

70503018 is a wasteful number, since it uses less digits than its factorization.

70503018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29709.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 70503018 is about 8396.6075292346. The cubic root of 70503018 is about 413.1133560375.

The spelling of 70503018 in words is "seventy million, five hundred three thousand, eighteen".