74370042 has 16 divisors (see below), whose sum is σ = 165266880. Its totient is φ = 24789996.

The previous prime is 74370011. The next prime is 74370089. The reversal of 74370042 is 24007347.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 74369988 and 74370015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 688558 + ... + 688665.

It is an arithmetic number, because the mean of its divisors is an integer number (10329180).

Almost surely, 2^74370042 is an apocalyptic number.

74370042 is an abundant number, since it is smaller than the sum of its proper divisors (90896838).

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

74370042 is a wasteful number, since it uses less digits than its factorization.

74370042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377234 (or 1377228 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 74370042 is about 8623.8067000600. The cubic root of 74370042 is about 420.5322843116.

Adding to 74370042 its reverse (24007347), we get a palindrome (98377389).

The spelling of 74370042 in words is "seventy-four million, three hundred seventy thousand, forty-two".