718486461 has 72 divisors (see below), whose sum is σ = 1352935584. Its totient is φ = 363061440.

The previous prime is 718486459. The next prime is 718486477. The reversal of 718486461 is 164684817.

718486461 is a `hidden beast` number, since 7 + 184 + 8 + 6 + 461 = 666.

It is not a de Polignac number, because 718486461 - 2¹ = 718486459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (718486481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 177486 + ... + 181488.

It is an arithmetic number, because the mean of its divisors is an integer number (18790772).

Almost surely, 2^718486461 is an apocalyptic number.

It is an amenable number.

718486461 is a deficient number, since it is larger than the sum of its proper divisors (634449123).

718486461 is a wasteful number, since it uses less digits than its factorization.

718486461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4071 (or 4061 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 718486461 is about 26804.5977585936. The cubic root of 718486461 is about 895.6524734599.

The spelling of 718486461 in words is "seven hundred eighteen million, four hundred eighty-six thousand, four hundred sixty-one".