74727442 has 8 divisors (see below), whose sum is σ = 113247036. Its totient is φ = 36978432.

The previous prime is 74727431. The next prime is 74727463. The reversal of 74727442 is 24472747.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 66438801 + 8288641 = 8151^2 + 2879^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192403 + ... + 192790.

Almost surely, 2^74727442 is an apocalyptic number.

74727442 is a deficient number, since it is larger than the sum of its proper divisors (38519594).

74727442 is a wasteful number, since it uses less digits than its factorization.

74727442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385292.

The product of its digits is 87808, while the sum is 37.

The square root of 74727442 is about 8644.5035716344. The cubic root of 74727442 is about 421.2048585204.

The spelling of 74727442 in words is "seventy-four million, seven hundred twenty-seven thousand, four hundred forty-two".