74678303 has 20 divisors (see below), whose sum is σ = 91760760. Its totient is φ = 60603984.

The previous prime is 74678299. The next prime is 74678311. The reversal of 74678303 is 30387647.

It is not a de Polignac number, because 74678303 - 2² = 74678299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74678363) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44801 + ... + 46437.

It is an arithmetic number, because the mean of its divisors is an integer number (4588038).

Almost surely, 2^74678303 is an apocalyptic number.

74678303 is a deficient number, since it is larger than the sum of its proper divisors (17082457).

74678303 is an equidigital number, since it uses as much as digits as its factorization.

74678303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684 (or 1663 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 74678303 is about 8641.6608936014. The cubic root of 74678303 is about 421.1125134890.

The spelling of 74678303 in words is "seventy-four million, six hundred seventy-eight thousand, three hundred three".