74511442 has 8 divisors (see below), whose sum is σ = 118341756. Its totient is φ = 35064192.

The previous prime is 74511433. The next prime is 74511443. The reversal of 74511442 is 24411547.

It can be written as a sum of positive squares in 2 ways, for example, as 73427761 + 1083681 = 8569^2 + 1041^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 74511442.

It is not an unprimeable number, because it can be changed into a prime (74511443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1095723 + ... + 1095790.

Almost surely, 2^74511442 is an apocalyptic number.

74511442 is a deficient number, since it is larger than the sum of its proper divisors (43830314).

74511442 is a wasteful number, since it uses less digits than its factorization.

74511442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191532.

The product of its digits is 4480, while the sum is 28.

The square root of 74511442 is about 8632.0010426320. The cubic root of 74511442 is about 420.7986353729.

Adding to 74511442 its reverse (24411547), we get a palindrome (98922989).

The spelling of 74511442 in words is "seventy-four million, five hundred eleven thousand, four hundred forty-two".