73729793 has 6 divisors (see below), whose sum is σ = 75334146. Its totient is φ = 72158912.

The previous prime is 73729771. The next prime is 73729829. The reversal of 73729793 is 39792737.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 68425984 + 5303809 = 8272^2 + 2303^2 .

It is not a de Polignac number, because 73729793 - 2⁶ = 73729729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73729753) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14480 + ... + 18897.

It is an arithmetic number, because the mean of its divisors is an integer number (12555691).

Almost surely, 2^73729793 is an apocalyptic number.

It is an amenable number.

73729793 is a deficient number, since it is larger than the sum of its proper divisors (1604353).

73729793 is an equidigital number, since it uses as much as digits as its factorization.

73729793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33471 (or 33424 counting only the distinct ones).

The product of its digits is 500094, while the sum is 47.

The square root of 73729793 is about 8586.6054410343. The cubic root of 73729793 is about 419.3220221990.

The spelling of 73729793 in words is "seventy-three million, seven hundred twenty-nine thousand, seven hundred ninety-three".