74240806 has 4 divisors (see below), whose sum is σ = 111361212. Its totient is φ = 37120402.

The previous prime is 74240779. The next prime is 74240813. The reversal of 74240806 is 60804247.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 18560200 + ... + 18560203.

It is an arithmetic number, because the mean of its divisors is an integer number (27840303).

Almost surely, 2^74240806 is an apocalyptic number.

74240806 is a deficient number, since it is larger than the sum of its proper divisors (37120406).

74240806 is a wasteful number, since it uses less digits than its factorization.

74240806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37120405.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 74240806 is about 8616.3104633016. The cubic root of 74240806 is about 420.2885507680.

The spelling of 74240806 in words is "seventy-four million, two hundred forty thousand, eight hundred six".