70000503 has 16 divisors (see below), whose sum is σ = 99598080. Its totient is φ = 43602624.

The previous prime is 70000493. The next prime is 70000549. The reversal of 70000503 is 30500007.

It is not a de Polignac number, because 70000503 - 2²² = 65806199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70000103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4251 + ... + 12572.

It is an arithmetic number, because the mean of its divisors is an integer number (6224880).

Almost surely, 2^70000503 is an apocalyptic number.

70000503 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

70000503 is a deficient number, since it is larger than the sum of its proper divisors (29597577).

70000503 is a wasteful number, since it uses less digits than its factorization.

70000503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16918.

The product of its (nonzero) digits is 105, while the sum is 15.

The square root of 70000503 is about 8366.6303252863. The cubic root of 70000503 is about 412.1295171244.

The spelling of 70000503 in words is "seventy million, five hundred three", and thus it is an aban number.