73697138 has 4 divisors (see below), whose sum is σ = 110545710. Its totient is φ = 36848568.

The previous prime is 73697101. The next prime is 73697153. The reversal of 73697138 is 83179637.

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., 47513449 + 26183689 = 6893^2 + 5117^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18424283 + ... + 18424286.

Almost surely, 2^73697138 is an apocalyptic number.

73697138 is a deficient number, since it is larger than the sum of its proper divisors (36848572).

73697138 is a wasteful number, since it uses less digits than its factorization.

73697138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36848571.

The product of its digits is 190512, while the sum is 44.

The square root of 73697138 is about 8584.7037223191. The cubic root of 73697138 is about 419.2601070079.

The spelling of 73697138 in words is "seventy-three million, six hundred ninety-seven thousand, one hundred thirty-eight".