72006782 has 8 divisors (see below), whose sum is σ = 108047352. Its totient is φ = 35991000.

The previous prime is 72006743. The next prime is 72006799. The reversal of 72006782 is 28760027.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5432 + ... + 13172.

It is an arithmetic number, because the mean of its divisors is an integer number (13505919).

Almost surely, 2^72006782 is an apocalyptic number.

72006782 is a deficient number, since it is larger than the sum of its proper divisors (36040570).

72006782 is a wasteful number, since it uses less digits than its factorization.

72006782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12394.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 72006782 is about 8485.6809980107. The cubic root of 72006782 is about 416.0298263563.

The spelling of 72006782 in words is "seventy-two million, six thousand, seven hundred eighty-two".