72727042 has 8 divisors (see below), whose sum is σ = 109187856. Its totient is φ = 36331092.

The previous prime is 72727033. The next prime is 72727043. The reversal of 72727042 is 24072727.

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

It is a junction number, because it is equal to n+sod(n) for n = 72726995 and 72727013.

It is not an unprimeable number, because it can be changed into a prime (72727043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13308 + ... + 17959.

It is an arithmetic number, because the mean of its divisors is an integer number (13648482).

Almost surely, 2^72727042 is an apocalyptic number.

72727042 is a deficient number, since it is larger than the sum of its proper divisors (36460814).

72727042 is a wasteful number, since it uses less digits than its factorization.

72727042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32432.

The product of its (nonzero) digits is 10976, while the sum is 31.

The square root of 72727042 is about 8528.0151266282. The cubic root of 72727042 is about 417.4123630701.

Adding to 72727042 its reverse (24072727), we get a palindrome (96799769).

The spelling of 72727042 in words is "seventy-two million, seven hundred twenty-seven thousand, forty-two".