74530942 has 4 divisors (see below), whose sum is σ = 111796416. Its totient is φ = 37265470.

The previous prime is 74530933. The next prime is 74530943. The reversal of 74530942 is 24903547.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×74530942² = 11109722630814728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74530898 and 74530907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74530943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18632734 + ... + 18632737.

It is an arithmetic number, because the mean of its divisors is an integer number (27949104).

Almost surely, 2^74530942 is an apocalyptic number.

74530942 is a deficient number, since it is larger than the sum of its proper divisors (37265474).

74530942 is a wasteful number, since it uses less digits than its factorization.

74530942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37265473.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 74530942 is about 8633.1304866775. The cubic root of 74530942 is about 420.8353405082.

The spelling of 74530942 in words is "seventy-four million, five hundred thirty thousand, nine hundred forty-two".