73493386 has 4 divisors (see below), whose sum is σ = 110240082. Its totient is φ = 36746692.

The previous prime is 73493353. The next prime is 73493393. The reversal of 73493386 is 68339437.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68339437 = 367 ⋅186211.

It can be written as a sum of positive squares in only one way, i.e., 52287361 + 21206025 = 7231^2 + 4605^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18373345 + ... + 18373348.

Almost surely, 2^73493386 is an apocalyptic number.

73493386 is a deficient number, since it is larger than the sum of its proper divisors (36746696).

73493386 is a wasteful number, since it uses less digits than its factorization.

73493386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36746695.

The product of its digits is 326592, while the sum is 43.

The square root of 73493386 is about 8572.8283547497. The cubic root of 73493386 is about 418.8733713567.

The spelling of 73493386 in words is "seventy-three million, four hundred ninety-three thousand, three hundred eighty-six".