740868 has 24 divisors (see below), whose sum is σ = 1747872. Its totient is φ = 244224.

The previous prime is 740849. The next prime is 740891. The reversal of 740868 is 868047.

It is an Ulam number.

It is an unprimeable number.

740868 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 996 + ... + 1572.

It is an arithmetic number, because the mean of its divisors is an integer number (72828).

2⁷⁴⁰⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

740868 is an abundant number, since it is smaller than the sum of its proper divisors (1007004).

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

740868 is a wasteful number, since it uses less digits than its factorization.

740868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 740868 is about 860.7368935976. The cubic root of 740868 is about 90.4857684448.

The spelling of 740868 in words is "seven hundred forty thousand, eight hundred sixty-eight".