73634393 has 16 divisors (see below), whose sum is σ = 89871360. Its totient is φ = 58968000.

The previous prime is 73634389. The next prime is 73634411. The reversal of 73634393 is 39343637.

It is not a de Polignac number, because 73634393 - 2² = 73634389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73634593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443 + ... + 12143.

It is an arithmetic number, because the mean of its divisors is an integer number (5616960).

Almost surely, 2^73634393 is an apocalyptic number.

It is an amenable number.

73634393 is a deficient number, since it is larger than the sum of its proper divisors (16236967).

73634393 is a wasteful number, since it uses less digits than its factorization.

73634393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11768.

The product of its digits is 122472, while the sum is 38.

The square root of 73634393 is about 8581.0484790613. The cubic root of 73634393 is about 419.1410886156.

The spelling of 73634393 in words is "seventy-three million, six hundred thirty-four thousand, three hundred ninety-three".