718396546 has 36 divisors (see below), whose sum is σ = 1267184898. Its totient is φ = 304565184.

The previous prime is 718396541. The next prime is 718396561. The reversal of 718396546 is 645693817.

It can be written as a sum of positive squares in 3 ways, for example, as 554838025 + 163558521 = 23555^2 + 12789^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 718396546.

It is not an unprimeable number, because it can be changed into a prime (718396541) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1164030 + ... + 1164646.

Almost surely, 2^718396546 is an apocalyptic number.

718396546 is a deficient number, since it is larger than the sum of its proper divisors (548788352).

718396546 is a wasteful number, since it uses less digits than its factorization.

718396546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851 (or 735 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The square root of 718396546 is about 26802.9204752020. The cubic root of 718396546 is about 895.6151097534.

The spelling of 718396546 in words is "seven hundred eighteen million, three hundred ninety-six thousand, five hundred forty-six".