73134287 has 8 divisors (see below), whose sum is σ = 77573760. Its totient is φ = 68753880.

The previous prime is 73134277. The next prime is 73134293. The reversal of 73134287 is 78243137.

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 73134287 - 2⁸ = 73134031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73134277) 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, 12203 + ... + 17180.

It is an arithmetic number, because the mean of its divisors is an integer number (9696720).

Almost surely, 2^73134287 is an apocalyptic number.

73134287 is a deficient number, since it is larger than the sum of its proper divisors (4439473).

73134287 is a wasteful number, since it uses less digits than its factorization.

73134287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29533.

The product of its digits is 28224, while the sum is 35.

The square root of 73134287 is about 8551.8586868587. The cubic root of 73134287 is about 418.1900324860.

The spelling of 73134287 in words is "seventy-three million, one hundred thirty-four thousand, two hundred eighty-seven".