70745367503 has 4 divisors (see below), whose sum is σ = 71905127688. Its totient is φ = 69585607320.

The previous prime is 70745367493. The next prime is 70745367541. The reversal of 70745367503 is 30576354707.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30576354707 = 569 ⋅53737003.

It is a cyclic number.

It is not a de Polignac number, because 70745367503 - 2¹⁸ = 70745105359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70745367103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579880001 + ... + 579880122.

It is an arithmetic number, because the mean of its divisors is an integer number (17976281922).

Almost surely, 2^70745367503 is an apocalyptic number.

70745367503 is a deficient number, since it is larger than the sum of its proper divisors (1159760185).

70745367503 is a wasteful number, since it uses less digits than its factorization.

70745367503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159760184.

The product of its (nonzero) digits is 1852200, while the sum is 47.

The spelling of 70745367503 in words is "seventy billion, seven hundred forty-five million, three hundred sixty-seven thousand, five hundred three".