73454729 has 2 divisors, whose sum is σ = 73454730. Its totient is φ = 73454728.

The previous prime is 73454723. The next prime is 73454737. The reversal of 73454729 is 92745437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68095504 + 5359225 = 8252^2 + 2315^2 .

It is a cyclic number.

It is not a de Polignac number, because 73454729 - 2¹⁶ = 73389193 is a prime.

It is not a weakly prime, because it can be changed into another prime (73454723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36727364 + 36727365.

It is an arithmetic number, because the mean of its divisors is an integer number (36727365).

Almost surely, 2^73454729 is an apocalyptic number.

It is an amenable number.

73454729 is a deficient number, since it is larger than the sum of its proper divisors (1).

73454729 is an equidigital number, since it uses as much as digits as its factorization.

73454729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 41.

The square root of 73454729 is about 8570.5734347242. The cubic root of 73454729 is about 418.7999170018.

The spelling of 73454729 in words is "seventy-three million, four hundred fifty-four thousand, seven hundred twenty-nine".