73132951 has 4 divisors (see below), whose sum is σ = 74512872. Its totient is φ = 71753032.

The previous prime is 73132949. The next prime is 73132973. The reversal of 73132951 is 15923137.

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 73132951 - 2¹ = 73132949 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 (73132931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689881 + ... + 689986.

It is an arithmetic number, because the mean of its divisors is an integer number (18628218).

Almost surely, 2^73132951 is an apocalyptic number.

73132951 is a deficient number, since it is larger than the sum of its proper divisors (1379921).

73132951 is a wasteful number, since it uses less digits than its factorization.

73132951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379920.

The product of its digits is 5670, while the sum is 31.

The square root of 73132951 is about 8551.7805748277. The cubic root of 73132951 is about 418.1874860047.

The spelling of 73132951 in words is "seventy-three million, one hundred thirty-two thousand, nine hundred fifty-one".