70140503 has 4 divisors (see below), whose sum is σ = 70449720. Its totient is φ = 69831288.

The previous prime is 70140479. The next prime is 70140523. The reversal of 70140503 is 30504107.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30504107 = 1571 ⋅19417.

It is a cyclic number.

It is not a de Polignac number, because 70140503 - 2⁸ = 70140247 is a prime.

It is a super-2 number, since 2×70140503² = 9839380322186018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70140523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154268 + ... + 154721.

It is an arithmetic number, because the mean of its divisors is an integer number (17612430).

Almost surely, 2^70140503 is an apocalyptic number.

70140503 is a deficient number, since it is larger than the sum of its proper divisors (309217).

70140503 is a wasteful number, since it uses less digits than its factorization.

70140503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309216.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 70140503 is about 8374.9927164147. The cubic root of 70140503 is about 412.4040851988.

The spelling of 70140503 in words is "seventy million, one hundred forty thousand, five hundred three".