73138463 has 8 divisors (see below), whose sum is σ = 74713968. Its totient is φ = 71570304.

The previous prime is 73138453. The next prime is 73138469. The reversal of 73138463 is 36483137.

It is a happy number.

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 73138463 - 2¹² = 73134367 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 (73138469) 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, 21356 + ... + 24542.

It is an arithmetic number, because the mean of its divisors is an integer number (9339246).

Almost surely, 2^73138463 is an apocalyptic number.

73138463 is a deficient number, since it is larger than the sum of its proper divisors (1575505).

73138463 is a wasteful number, since it uses less digits than its factorization.

73138463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673.

The product of its digits is 36288, while the sum is 35.

The square root of 73138463 is about 8552.1028408223. The cubic root of 73138463 is about 418.1979919462.

The spelling of 73138463 in words is "seventy-three million, one hundred thirty-eight thousand, four hundred sixty-three".