718000146 has 64 divisors (see below), whose sum is σ = 1632960000. Its totient is φ = 233776656.

The previous prime is 718000141. The next prime is 718000181. The reversal of 718000146 is 641000817.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (718000141) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 569665 + ... + 570923.

It is an arithmetic number, because the mean of its divisors is an integer number (25515000).

Almost surely, 2^718000146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 718000146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (816480000).

718000146 is an abundant number, since it is smaller than the sum of its proper divisors (914959854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

718000146 is a wasteful number, since it uses less digits than its factorization.

718000146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508 (or 1502 counting only the distinct ones).

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

The square root of 718000146 is about 26795.5247382842. The cubic root of 718000146 is about 895.4503506335.

The spelling of 718000146 in words is "seven hundred eighteen million, one hundred forty-six", and thus it is an aban number.