66048726 has 32 divisors (see below), whose sum is σ = 135535968. Its totient is φ = 21450240.

The previous prime is 66048707. The next prime is 66048727. The reversal of 66048726 is 62784066.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66048727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40560 + ... + 42156.

It is an arithmetic number, because the mean of its divisors is an integer number (4235499).

Almost surely, 2^66048726 is an apocalyptic number.

66048726 is an abundant number, since it is smaller than the sum of its proper divisors (69487242).

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

66048726 is a wasteful number, since it uses less digits than its factorization.

66048726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 66048726 is about 8127.0367293375. The cubic root of 66048726 is about 404.2234288413.

The spelling of 66048726 in words is "sixty-six million, forty-eight thousand, seven hundred twenty-six".