74349138 has 16 divisors (see below), whose sum is σ = 148800960. Its totient is φ = 24765936.

The previous prime is 74349137. The next prime is 74349161. The reversal of 74349138 is 83194347.

It is a junction number, because it is equal to n+sod(n) for n = 74349096 and 74349105.

It is not an unprimeable number, because it can be changed into a prime (74349137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7728 + ... + 14436.

It is an arithmetic number, because the mean of its divisors is an integer number (9300060).

Almost surely, 2^74349138 is an apocalyptic number.

74349138 is an abundant number, since it is smaller than the sum of its proper divisors (74451822).

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

74349138 is a wasteful number, since it uses less digits than its factorization.

74349138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8561.

The product of its digits is 72576, while the sum is 39.

The square root of 74349138 is about 8622.5946211103. The cubic root of 74349138 is about 420.4928794186.

The spelling of 74349138 in words is "seventy-four million, three hundred forty-nine thousand, one hundred thirty-eight".