211480072 has 32 divisors (see below), whose sum is σ = 411868800. Its totient is φ = 101725504.

The previous prime is 211480069. The next prime is 211480081. The reversal of 211480072 is 270084112.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 17418 + ... + 26950.

It is an arithmetic number, because the mean of its divisors is an integer number (12870900).

Almost surely, 2^211480072 is an apocalyptic number.

It is an amenable number.

211480072 is a deficient number, since it is larger than the sum of its proper divisors (200388728).

211480072 is a wasteful number, since it uses less digits than its factorization.

211480072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9645 (or 9641 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 211480072 is about 14542.3544173562. The cubic root of 211480072 is about 595.7853452780.

The spelling of 211480072 in words is "two hundred eleven million, four hundred eighty thousand, seventy-two".