73426393 has 16 divisors (see below), whose sum is σ = 79067520. Its totient is φ = 67982976.

The previous prime is 73426391. The next prime is 73426411. The reversal of 73426393 is 39362437.

It is a cyclic number.

It is not a de Polignac number, because 73426393 - 2¹ = 73426391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73426391) 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, 231471 + ... + 231787.

It is an arithmetic number, because the mean of its divisors is an integer number (4941720).

Almost surely, 2^73426393 is an apocalyptic number.

73426393 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

73426393 is a deficient number, since it is larger than the sum of its proper divisors (5641127).

73426393 is a wasteful number, since it uses less digits than its factorization.

73426393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576.

The product of its digits is 81648, while the sum is 37.

The square root of 73426393 is about 8568.9201770118. The cubic root of 73426393 is about 418.7460577931.

The spelling of 73426393 in words is "seventy-three million, four hundred twenty-six thousand, three hundred ninety-three".