74916403 has 4 divisors (see below), whose sum is σ = 74962960. Its totient is φ = 74869848.

The previous prime is 74916397. The next prime is 74916407. The reversal of 74916403 is 30461947.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74916403 is a prime.

It is a super-2 number, since 2×74916403² = 11224934876916818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74916407) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 20775 + ... + 24112.

It is an arithmetic number, because the mean of its divisors is an integer number (18740740).

Almost surely, 2^74916403 is an apocalyptic number.

74916403 is a deficient number, since it is larger than the sum of its proper divisors (46557).

74916403 is a wasteful number, since it uses less digits than its factorization.

74916403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46556.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 74916403 is about 8655.4262171195. The cubic root of 74916403 is about 421.5595889762.

The spelling of 74916403 in words is "seventy-four million, nine hundred sixteen thousand, four hundred three".