72239206 has 16 divisors (see below), whose sum is σ = 116978400. Its totient is φ = 33259968.

The previous prime is 72239191. The next prime is 72239227. The reversal of 72239206 is 60293227.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8250 + ... + 14578.

It is an arithmetic number, because the mean of its divisors is an integer number (7311150).

Almost surely, 2^72239206 is an apocalyptic number.

72239206 is a deficient number, since it is larger than the sum of its proper divisors (44739194).

72239206 is a wasteful number, since it uses less digits than its factorization.

72239206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6783.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 72239206 is about 8499.3650351070. The cubic root of 72239206 is about 416.4769669445.

The spelling of 72239206 in words is "seventy-two million, two hundred thirty-nine thousand, two hundred six".