72834493 has 4 divisors (see below), whose sum is σ = 73541728. Its totient is φ = 72127260.

The previous prime is 72834481. The next prime is 72834521. The reversal of 72834493 is 39443827.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72834493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72834413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353463 + ... + 353668.

It is an arithmetic number, because the mean of its divisors is an integer number (18385432).

Almost surely, 2^72834493 is an apocalyptic number.

It is an amenable number.

72834493 is a deficient number, since it is larger than the sum of its proper divisors (707235).

72834493 is a wasteful number, since it uses less digits than its factorization.

72834493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707234.

The product of its digits is 145152, while the sum is 40.

The square root of 72834493 is about 8534.3126846864. The cubic root of 72834493 is about 417.6178313712.

The spelling of 72834493 in words is "seventy-two million, eight hundred thirty-four thousand, four hundred ninety-three".