74644705403 has 4 divisors (see below), whose sum is σ = 75667235688. Its totient is φ = 73622175120.

The previous prime is 74644705381. The next prime is 74644705439. The reversal of 74644705403 is 30450744647.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30450744647 = 193 ⋅157775879.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74644705403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74644701403) 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, 511265033 + ... + 511265178.

It is an arithmetic number, because the mean of its divisors is an integer number (18916808922).

Almost surely, 2^74644705403 is an apocalyptic number.

74644705403 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

74644705403 is a deficient number, since it is larger than the sum of its proper divisors (1022530285).

74644705403 is a wasteful number, since it uses less digits than its factorization.

74644705403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022530284.

The product of its (nonzero) digits is 1128960, while the sum is 44.

The spelling of 74644705403 in words is "seventy-four billion, six hundred forty-four million, seven hundred five thousand, four hundred three".