718342494 has 16 divisors (see below), whose sum is σ = 1475514768. Its totient is φ = 232975872.

The previous prime is 718342487. The next prime is 718342511. The reversal of 718342494 is 494243817.

It is a super-2 number, since 2×718342494² = 1032031877372280072, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1617667 + ... + 1618110.

It is an arithmetic number, because the mean of its divisors is an integer number (92219673).

Almost surely, 2^718342494 is an apocalyptic number.

718342494 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

718342494 is an abundant number, since it is smaller than the sum of its proper divisors (757172274).

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

718342494 is a wasteful number, since it uses less digits than its factorization.

718342494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235819.

The product of its digits is 193536, while the sum is 42.

The square root of 718342494 is about 26801.9121332788. The cubic root of 718342494 is about 895.5926472280.

The spelling of 718342494 in words is "seven hundred eighteen million, three hundred forty-two thousand, four hundred ninety-four".