74976403 has 2 divisors, whose sum is σ = 74976404. Its totient is φ = 74976402.

The previous prime is 74976379. The next prime is 74976437. The reversal of 74976403 is 30467947.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74976403 - 2²⁵ = 41421971 is a prime.

It is a super-2 number, since 2×74976403² = 11242922013636818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74926403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37488201 + 37488202.

It is an arithmetic number, because the mean of its divisors is an integer number (37488202).

Almost surely, 2^74976403 is an apocalyptic number.

74976403 is a deficient number, since it is larger than the sum of its proper divisors (1).

74976403 is an equidigital number, since it uses as much as digits as its factorization.

74976403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 74976403 is about 8658.8915572376. The cubic root of 74976403 is about 421.6721002770.

The spelling of 74976403 in words is "seventy-four million, nine hundred seventy-six thousand, four hundred three".