74473130 has 8 divisors (see below), whose sum is σ = 134051652. Its totient is φ = 29789248.

The previous prime is 74473123. The next prime is 74473169. The reversal of 74473130 is 3137447.

It can be written as a sum of positive squares in 2 ways, for example, as 68178049 + 6295081 = 8257^2 + 2509^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 74473093 and 74473102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3723647 + ... + 3723666.

Almost surely, 2^74473130 is an apocalyptic number.

74473130 is a deficient number, since it is larger than the sum of its proper divisors (59578522).

74473130 is a wasteful number, since it uses less digits than its factorization.

74473130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7447320.

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

The square root of 74473130 is about 8629.7815731338. The cubic root of 74473130 is about 420.7265014796.

The spelling of 74473130 in words is "seventy-four million, four hundred seventy-three thousand, one hundred thirty".