74349130 has 16 divisors (see below), whose sum is σ = 135155304. Its totient is φ = 29444800.

The previous prime is 74349101. The next prime is 74349137. The reversal of 74349130 is 3194347.

It can be written as a sum of positive squares in 4 ways, for example, as 72743841 + 1605289 = 8529^2 + 1267^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74349092 and 74349101.

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, 35797 + ... + 37816.

Almost surely, 2^74349130 is an apocalyptic number.

74349130 is a deficient number, since it is larger than the sum of its proper divisors (60806174).

74349130 is a wasteful number, since it uses less digits than its factorization.

74349130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73721.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 74349130 is about 8622.5941572128. The cubic root of 74349130 is about 420.4928643368.

The spelling of 74349130 in words is "seventy-four million, three hundred forty-nine thousand, one hundred thirty".