74742873 has 8 divisors (see below), whose sum is σ = 101291136. Its totient is φ = 49011600.

The previous prime is 74742869. The next prime is 74742881. The reversal of 74742873 is 37824747.

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

It is not a de Polignac number, because 74742873 - 2² = 74742869 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74742373) 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, 204033 + ... + 204398.

It is an arithmetic number, because the mean of its divisors is an integer number (12661392).

Almost surely, 2^74742873 is an apocalyptic number.

It is an amenable number.

74742873 is a deficient number, since it is larger than the sum of its proper divisors (26548263).

74742873 is a wasteful number, since it uses less digits than its factorization.

74742873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408495.

The product of its digits is 263424, while the sum is 42.

The square root of 74742873 is about 8645.3960580184. The cubic root of 74742873 is about 421.2338490522.

The spelling of 74742873 in words is "seventy-four million, seven hundred forty-two thousand, eight hundred seventy-three".