717454494 has 48 divisors (see below), whose sum is σ = 1600121328. Its totient is φ = 232160256.

The previous prime is 717454471. The next prime is 717454511. The reversal of 717454494 is 494454717.

717454494 is a `hidden beast` number, since 7 + 17 + 4 + 544 + 94 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 383349 + ... + 385215.

It is an arithmetic number, because the mean of its divisors is an integer number (33335861).

Almost surely, 2^717454494 is an apocalyptic number.

717454494 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 717454494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (800060664).

717454494 is an abundant number, since it is smaller than the sum of its proper divisors (882666834).

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

717454494 is a wasteful number, since it uses less digits than its factorization.

717454494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489 (or 2486 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 717454494 is about 26785.3410282565. The cubic root of 717454494 is about 895.2234574111.

The spelling of 717454494 in words is "seven hundred seventeen million, four hundred fifty-four thousand, four hundred ninety-four".