721614411 has 12 divisors (see below), whose sum is σ = 1191236592. Its totient is φ = 412351056.

The previous prime is 721614409. The next prime is 721614431. The reversal of 721614411 is 114416127.

721614411 is a `hidden beast` number, since 7 + 2 + 1 + 614 + 41 + 1 = 666.

721614411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 721614411 - 2¹ = 721614409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (721614401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5727036 + ... + 5727161.

It is an arithmetic number, because the mean of its divisors is an integer number (99269716).

Almost surely, 2^721614411 is an apocalyptic number.

721614411 is a deficient number, since it is larger than the sum of its proper divisors (469622181).

721614411 is a wasteful number, since it uses less digits than its factorization.

721614411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11454210 (or 11454207 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 721614411 is about 26862.8816585265. The cubic root of 721614411 is about 896.9503408339.

The spelling of 721614411 in words is "seven hundred twenty-one million, six hundred fourteen thousand, four hundred eleven".