73033147 has 4 divisors (see below), whose sum is σ = 79672536. Its totient is φ = 66393760.

The previous prime is 73033127. The next prime is 73033189. The reversal of 73033147 is 74133037.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73033147 - 2⁷ = 73033019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73033127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3319678 + ... + 3319699.

It is an arithmetic number, because the mean of its divisors is an integer number (19918134).

Almost surely, 2^73033147 is an apocalyptic number.

73033147 is a deficient number, since it is larger than the sum of its proper divisors (6639389).

73033147 is a wasteful number, since it uses less digits than its factorization.

73033147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6639388.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 73033147 is about 8545.9433066222. The cubic root of 73033147 is about 417.9971669413.

The spelling of 73033147 in words is "seventy-three million, thirty-three thousand, one hundred forty-seven".