74347130 has 32 divisors (see below), whose sum is σ = 157223808. Its totient is φ = 24955200.

The previous prime is 74347127. The next prime is 74347157. The reversal of 74347130 is 3174347.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 74347093 and 74347102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24566 + ... + 27425.

It is an arithmetic number, because the mean of its divisors is an integer number (4913244).

Almost surely, 2^74347130 is an apocalyptic number.

74347130 is an abundant number, since it is smaller than the sum of its proper divisors (82876678).

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

74347130 is a wasteful number, since it uses less digits than its factorization.

74347130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52022.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 74347130 is about 8622.4781820542. The cubic root of 74347130 is about 420.4890938678.

The spelling of 74347130 in words is "seventy-four million, three hundred forty-seven thousand, one hundred thirty".