73729873 has 8 divisors (see below), whose sum is σ = 86981120. Its totient is φ = 61158240.

The previous prime is 73729829. The next prime is 73729883. The reversal of 73729873 is 37892737.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73729873 - 2²¹ = 71632721 is a prime.

It is a super-2 number, since 2×73729873² = 10872188345192258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73729883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169668 + ... + 170101.

It is an arithmetic number, because the mean of its divisors is an integer number (10872640).

Almost surely, 2^73729873 is an apocalyptic number.

It is an amenable number.

73729873 is a deficient number, since it is larger than the sum of its proper divisors (13251247).

73729873 is a wasteful number, since it uses less digits than its factorization.

73729873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339807.

The product of its digits is 444528, while the sum is 46.

The square root of 73729873 is about 8586.6100994514. The cubic root of 73729873 is about 419.3221738598.

The spelling of 73729873 in words is "seventy-three million, seven hundred twenty-nine thousand, eight hundred seventy-three".