74666726 has 4 divisors (see below), whose sum is σ = 112000092. Its totient is φ = 37333362.

The previous prime is 74666723. The next prime is 74666747. The reversal of 74666726 is 62766647.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74666723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18666680 + ... + 18666683.

It is an arithmetic number, because the mean of its divisors is an integer number (28000023).

Almost surely, 2^74666726 is an apocalyptic number.

74666726 is a deficient number, since it is larger than the sum of its proper divisors (37333366).

74666726 is a wasteful number, since it uses less digits than its factorization.

74666726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37333365.

The product of its digits is 508032, while the sum is 44.

The square root of 74666726 is about 8640.9910311260. The cubic root of 74666726 is about 421.0907513826.

The spelling of 74666726 in words is "seventy-four million, six hundred sixty-six thousand, seven hundred twenty-six".