74142459 has 12 divisors (see below), whose sum is σ = 111061496. Its totient is φ = 49428144.

The previous prime is 74142451. The next prime is 74142499. The reversal of 74142459 is 95424147.

It is a happy number.

It is not a de Polignac number, because 74142459 - 2³ = 74142451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74142451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152314 + ... + 152799.

Almost surely, 2^74142459 is an apocalyptic number.

74142459 is a deficient number, since it is larger than the sum of its proper divisors (36919037).

74142459 is an equidigital number, since it uses as much as digits as its factorization.

74142459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305128 (or 305116 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 74142459 is about 8610.6015469304. The cubic root of 74142459 is about 420.1028829591.

The spelling of 74142459 in words is "seventy-four million, one hundred forty-two thousand, four hundred fifty-nine".