74427403 has 2 divisors, whose sum is σ = 74427404. Its totient is φ = 74427402.

The previous prime is 74427371. The next prime is 74427433. The reversal of 74427403 is 30472447.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74427403 - 2⁵ = 74427371 is a prime.

It is not a weakly prime, because it can be changed into another prime (74427433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37213701 + 37213702.

It is an arithmetic number, because the mean of its divisors is an integer number (37213702).

Almost surely, 2^74427403 is an apocalyptic number.

74427403 is a deficient number, since it is larger than the sum of its proper divisors (1).

74427403 is an equidigital number, since it uses as much as digits as its factorization.

74427403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 74427403 is about 8627.1317945190. The cubic root of 74427403 is about 420.6403742209.

The spelling of 74427403 in words is "seventy-four million, four hundred twenty-seven thousand, four hundred three".