73641147 has 8 divisors (see below), whose sum is σ = 102457344. Its totient is φ = 46959528.

The previous prime is 73641143. The next prime is 73641157. The reversal of 73641147 is 74114637.

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

It is not a de Polignac number, because 73641147 - 2² = 73641143 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (73641143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533563 + ... + 533700.

It is an arithmetic number, because the mean of its divisors is an integer number (12807168).

Almost surely, 2^73641147 is an apocalyptic number.

73641147 is a deficient number, since it is larger than the sum of its proper divisors (28816197).

73641147 is a wasteful number, since it uses less digits than its factorization.

73641147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067289.

The product of its digits is 14112, while the sum is 33.

The square root of 73641147 is about 8581.4420116901. The cubic root of 73641147 is about 419.1539032450.

The spelling of 73641147 in words is "seventy-three million, six hundred forty-one thousand, one hundred forty-seven".