72780014 has 8 divisors (see below), whose sum is σ = 110552160. Its totient is φ = 35929296.

The previous prime is 72779969. The next prime is 72780047. The reversal of 72780014 is 41008727.

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

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230159 + ... + 230474.

It is an arithmetic number, because the mean of its divisors is an integer number (13819020).

Almost surely, 2^72780014 is an apocalyptic number.

72780014 is a deficient number, since it is larger than the sum of its proper divisors (37772146).

72780014 is a wasteful number, since it uses less digits than its factorization.

72780014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460714.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 72780014 is about 8531.1203250218. The cubic root of 72780014 is about 417.5136816485.

The spelling of 72780014 in words is "seventy-two million, seven hundred eighty thousand, fourteen".