72726750 has 48 divisors (see below), whose sum is σ = 196659216. Its totient is φ = 19393200.

The previous prime is 72726727. The next prime is 72726757. The reversal of 72726750 is 5762727.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72726757) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13912 + ... + 18411.

It is an arithmetic number, because the mean of its divisors is an integer number (4097067).

Almost surely, 2^72726750 is an apocalyptic number.

72726750 is an abundant number, since it is smaller than the sum of its proper divisors (123932466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72726750 is a wasteful number, since it uses less digits than its factorization.

72726750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32346 (or 32333 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 72726750 is about 8527.9980065664. The cubic root of 72726750 is about 417.4118044307.

The spelling of 72726750 in words is "seventy-two million, seven hundred twenty-six thousand, seven hundred fifty".