72659782 has 8 divisors (see below), whose sum is σ = 117373536. Its totient is φ = 33535272.

The previous prime is 72659773. The next prime is 72659789. The reversal of 72659782 is 28795627.

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 (72659789) 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, 1397278 + ... + 1397329.

It is an arithmetic number, because the mean of its divisors is an integer number (14671692).

Almost surely, 2^72659782 is an apocalyptic number.

72659782 is a deficient number, since it is larger than the sum of its proper divisors (44713754).

72659782 is a wasteful number, since it uses less digits than its factorization.

72659782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794622.

The product of its digits is 423360, while the sum is 46.

The square root of 72659782 is about 8524.0707411424. The cubic root of 72659782 is about 417.2836451769.

It can be divided in two parts, 72659 and 782, that added together give a square (73441 = 271²).

The spelling of 72659782 in words is "seventy-two million, six hundred fifty-nine thousand, seven hundred eighty-two".