74728694 has 8 divisors (see below), whose sum is σ = 112264608. Its totient is φ = 37307160.

The previous prime is 74728673. The next prime is 74728723. The reversal of 74728694 is 49682747.

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

It is a Curzon number.

It is a congruent number.

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, 26942 + ... + 29585.

It is an arithmetic number, because the mean of its divisors is an integer number (14033076).

Almost surely, 2^74728694 is an apocalyptic number.

74728694 is a deficient number, since it is larger than the sum of its proper divisors (37535914).

74728694 is a wasteful number, since it uses less digits than its factorization.

74728694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57190.

The product of its digits is 677376, while the sum is 47.

The square root of 74728694 is about 8644.5759872882. The cubic root of 74728694 is about 421.2072108269.

The spelling of 74728694 in words is "seventy-four million, seven hundred twenty-eight thousand, six hundred ninety-four".