74306403 has 10 divisors (see below), whose sum is σ = 111001044. Its totient is φ = 49537548.

The previous prime is 74306387. The next prime is 74306413. The reversal of 74306403 is 30460347.

It is not a de Polignac number, because 74306403 - 2⁴ = 74306387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (74306413) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 458601 + ... + 458762.

Almost surely, 2^74306403 is an apocalyptic number.

74306403 is a deficient number, since it is larger than the sum of its proper divisors (36694641).

74306403 is an equidigital number, since it uses as much as digits as its factorization.

74306403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917375 (or 917366 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 74306403 is about 8620.1161825117. The cubic root of 74306403 is about 420.4122992096.

The spelling of 74306403 in words is "seventy-four million, three hundred six thousand, four hundred three".