74644042 has 16 divisors (see below), whose sum is σ = 129330432. Its totient is φ = 31933120.

The previous prime is 74644013. The next prime is 74644079. The reversal of 74644042 is 24044647.

It is a junction number, because it is equal to n+sod(n) for n = 74643995 and 74644013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99418 + ... + 100165.

It is an arithmetic number, because the mean of its divisors is an integer number (8083152).

Almost surely, 2^74644042 is an apocalyptic number.

74644042 is a deficient number, since it is larger than the sum of its proper divisors (54686390).

74644042 is a wasteful number, since it uses less digits than its factorization.

74644042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199613.

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 74644042 is about 8639.6783504943. The cubic root of 74644042 is about 421.0481041394.

Adding to 74644042 its reverse (24044647), we get a palindrome (98688689).

The spelling of 74644042 in words is "seventy-four million, six hundred forty-four thousand, forty-two".