73055147 has 24 divisors (see below), whose sum is σ = 84661200. Its totient is φ = 62491520.

The previous prime is 73055117. The next prime is 73055161. The reversal of 73055147 is 74155037.

It is not a de Polignac number, because 73055147 - 2¹⁰ = 73054123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73055117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 490229 + ... + 490377.

It is an arithmetic number, because the mean of its divisors is an integer number (3527550).

Almost surely, 2^73055147 is an apocalyptic number.

73055147 is a deficient number, since it is larger than the sum of its proper divisors (11606053).

73055147 is a wasteful number, since it uses less digits than its factorization.

73055147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 73055147 is about 8547.2303701258. The cubic root of 73055147 is about 418.0391342526.

The spelling of 73055147 in words is "seventy-three million, fifty-five thousand, one hundred forty-seven".