74903553806 has 16 divisors (see below), whose sum is σ = 112905098640. Its totient is φ = 37268575680.

The previous prime is 74903553797. The next prime is 74903553811. The reversal of 74903553806 is 60835530947.

It is a super-2 number, since 2×74903553806² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4607300 + ... + 4623528.

It is an arithmetic number, because the mean of its divisors is an integer number (7056568665).

Almost surely, 2^74903553806 is an apocalyptic number.

74903553806 is a deficient number, since it is larger than the sum of its proper divisors (38001544834).

74903553806 is a wasteful number, since it uses less digits than its factorization.

74903553806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27379.

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 74903553806 in words is "seventy-four billion, nine hundred three million, five hundred fifty-three thousand, eight hundred six".