73994786 has 4 divisors (see below), whose sum is σ = 110992182. Its totient is φ = 36997392.

The previous prime is 73994777. The next prime is 73994803. The reversal of 73994786 is 68749937.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68749937 = 7103 ⋅9679.

It can be written as a sum of positive squares in only one way, i.e., 70879561 + 3115225 = 8419^2 + 1765^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18498695 + ... + 18498698.

Almost surely, 2^73994786 is an apocalyptic number.

73994786 is a deficient number, since it is larger than the sum of its proper divisors (36997396).

73994786 is a wasteful number, since it uses less digits than its factorization.

73994786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36997395.

The product of its digits is 2286144, while the sum is 53.

The square root of 73994786 is about 8602.0222041099. The cubic root of 73994786 is about 419.8237847320.

The spelling of 73994786 in words is "seventy-three million, nine hundred ninety-four thousand, seven hundred eighty-six".