74066738 has 4 divisors (see below), whose sum is σ = 111100110. Its totient is φ = 37033368.

The previous prime is 74066723. The next prime is 74066777. The reversal of 74066738 is 83766047.

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

It can be written as a sum of positive squares in only one way, i.e., 50027329 + 24039409 = 7073^2 + 4903^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74066695 and 74066704.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18516683 + ... + 18516686.

Almost surely, 2^74066738 is an apocalyptic number.

74066738 is a deficient number, since it is larger than the sum of its proper divisors (37033372).

74066738 is a wasteful number, since it uses less digits than its factorization.

74066738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37033371.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 74066738 is about 8606.2034602954. The cubic root of 74066738 is about 419.9598185293.

The spelling of 74066738 in words is "seventy-four million, sixty-six thousand, seven hundred thirty-eight".