72076726 has 4 divisors (see below), whose sum is σ = 108115092. Its totient is φ = 36038362.

The previous prime is 72076673. The next prime is 72076727. The reversal of 72076726 is 62767027.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72076727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18019180 + ... + 18019183.

It is an arithmetic number, because the mean of its divisors is an integer number (27028773).

Almost surely, 2^72076726 is an apocalyptic number.

72076726 is a deficient number, since it is larger than the sum of its proper divisors (36038366).

72076726 is a wasteful number, since it uses less digits than its factorization.

72076726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36038365.

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 72076726 is about 8489.8012933166. The cubic root of 72076726 is about 416.1644866976.

The spelling of 72076726 in words is "seventy-two million, seventy-six thousand, seven hundred twenty-six".