74731403 has 2 divisors, whose sum is σ = 74731404. Its totient is φ = 74731402.

The previous prime is 74731399. The next prime is 74731429. The reversal of 74731403 is 30413747.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74731403 - 2² = 74731399 is a prime.

It is not a weakly prime, because it can be changed into another prime (74731493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37365701 + 37365702.

It is an arithmetic number, because the mean of its divisors is an integer number (37365702).

Almost surely, 2^74731403 is an apocalyptic number.

74731403 is a deficient number, since it is larger than the sum of its proper divisors (1).

74731403 is an equidigital number, since it uses as much as digits as its factorization.

74731403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 74731403 is about 8644.7326737152. The cubic root of 74731403 is about 421.2123005120.

The spelling of 74731403 in words is "seventy-four million, seven hundred thirty-one thousand, four hundred three".