72132766 has 8 divisors (see below), whose sum is σ = 109210680. Its totient is φ = 35729208.

The previous prime is 72132743. The next prime is 72132769. The reversal of 72132766 is 66723127.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72132769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168321 + ... + 168748.

It is an arithmetic number, because the mean of its divisors is an integer number (13651335).

Almost surely, 2^72132766 is an apocalyptic number.

72132766 is a deficient number, since it is larger than the sum of its proper divisors (37077914).

72132766 is a wasteful number, since it uses less digits than its factorization.

72132766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337178.

The product of its digits is 21168, while the sum is 34.

The square root of 72132766 is about 8493.1010826435. The cubic root of 72132766 is about 416.2723153845.

The spelling of 72132766 in words is "seventy-two million, one hundred thirty-two thousand, seven hundred sixty-six".