74730434 has 8 divisors (see below), whose sum is σ = 112162368. Its totient is φ = 37342980.

The previous prime is 74730433. The next prime is 74730457. The reversal of 74730434 is 43403747.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 74730434.

It is not an unprimeable number, because it can be changed into a prime (74730433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6542 + ... + 13865.

It is an arithmetic number, because the mean of its divisors is an integer number (14020296).

Almost surely, 2^74730434 is an apocalyptic number.

74730434 is a deficient number, since it is larger than the sum of its proper divisors (37431934).

74730434 is a wasteful number, since it uses less digits than its factorization.

74730434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22240.

The product of its (nonzero) digits is 28224, while the sum is 32.

The square root of 74730434 is about 8644.6766278444. The cubic root of 74730434 is about 421.2104799632.

The spelling of 74730434 in words is "seventy-four million, seven hundred thirty thousand, four hundred thirty-four".