73729043 has 2 divisors, whose sum is σ = 73729044. Its totient is φ = 73729042.

The previous prime is 73729039. The next prime is 73729057. The reversal of 73729043 is 34092737.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73729043 - 2² = 73729039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73728994 and 73729012.

It is not a weakly prime, because it can be changed into another prime (73729003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36864521 + 36864522.

It is an arithmetic number, because the mean of its divisors is an integer number (36864522).

Almost surely, 2^73729043 is an apocalyptic number.

73729043 is a deficient number, since it is larger than the sum of its proper divisors (1).

73729043 is an equidigital number, since it uses as much as digits as its factorization.

73729043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 73729043 is about 8586.5617682516. The cubic root of 73729043 is about 419.3206003740.

The spelling of 73729043 in words is "seventy-three million, seven hundred twenty-nine thousand, forty-three".