72726334 has 8 divisors (see below), whose sum is σ = 109176048. Its totient is φ = 36334320.

The previous prime is 72726331. The next prime is 72726337. The reversal of 72726334 is 43362727.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (72726331) and next prime (72726337).

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

It is a self number, because there is not a number n which added to its sum of digits gives 72726334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72726331) 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, 11122 + ... + 16405.

It is an arithmetic number, because the mean of its divisors is an integer number (13647006).

Almost surely, 2^72726334 is an apocalyptic number.

72726334 is a deficient number, since it is larger than the sum of its proper divisors (36449714).

72726334 is a wasteful number, since it uses less digits than its factorization.

72726334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28850.

The product of its digits is 42336, while the sum is 34.

The square root of 72726334 is about 8527.9736162819. The cubic root of 72726334 is about 417.4110085583.

The spelling of 72726334 in words is "seventy-two million, seven hundred twenty-six thousand, three hundred thirty-four".