74497842 has 36 divisors (see below), whose sum is σ = 171477306. Its totient is φ = 23370240.

The previous prime is 74497837. The next prime is 74497847. The reversal of 74497842 is 24879447.

It is an interprime number because it is at equal distance from previous prime (74497837) and next prime (74497847).

It can be written as a sum of positive squares in 3 ways, for example, as 61168041 + 13329801 = 7821^2 + 3651^2 .

It is not an unprimeable number, because it can be changed into a prime (74497847) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1959 + ... + 12362.

Almost surely, 2^74497842 is an apocalyptic number.

74497842 is an abundant number, since it is smaller than the sum of its proper divisors (96979464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74497842 is a wasteful number, since it uses less digits than its factorization.

74497842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14363 (or 14343 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 74497842 is about 8631.2132403272. The cubic root of 74497842 is about 420.7730321031.

The spelling of 74497842 in words is "seventy-four million, four hundred ninety-seven thousand, eight hundred forty-two".