72011270 has 16 divisors (see below), whose sum is σ = 131818320. Its totient is φ = 28316064.

The previous prime is 72011257. The next prime is 72011327. The reversal of 72011270 is 7211027.

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, 60437 + ... + 61616.

It is an arithmetic number, because the mean of its divisors is an integer number (8238645).

Almost surely, 2^72011270 is an apocalyptic number.

72011270 is a deficient number, since it is larger than the sum of its proper divisors (59807050).

72011270 is a wasteful number, since it uses less digits than its factorization.

72011270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122119.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 72011270 is about 8485.9454393721. The cubic root of 72011270 is about 416.0384695378.

Adding to 72011270 its reverse (7211027), we get a palindrome (79222297).

The spelling of 72011270 in words is "seventy-two million, eleven thousand, two hundred seventy".