718428326 has 16 divisors (see below), whose sum is σ = 1343554560. Its totient is φ = 279907080.

The previous prime is 718428307. The next prime is 718428331. The reversal of 718428326 is 623824817.

It is a super-2 number, since 2×718428326² = 1032278519198324552, which contains 22 as substring.

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, 2332406 + ... + 2332713.

It is an arithmetic number, because the mean of its divisors is an integer number (83972160).

Almost surely, 2^718428326 is an apocalyptic number.

718428326 is a deficient number, since it is larger than the sum of its proper divisors (625126234).

718428326 is a wasteful number, since it uses less digits than its factorization.

718428326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665139.

The product of its digits is 129024, while the sum is 41.

The square root of 718428326 is about 26803.5133144892. The cubic root of 718428326 is about 895.6283161219.

The spelling of 718428326 in words is "seven hundred eighteen million, four hundred twenty-eight thousand, three hundred twenty-six".