740992 has 32 divisors (see below), whose sum is σ = 1689120. Its totient is φ = 317184.

The previous prime is 740989. The next prime is 741001. The reversal of 740992 is 299047.

It is a tau number, because it is divible by the number of its divisors (32).

It is a plaindrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483 + ... + 1309.

It is an arithmetic number, because the mean of its divisors is an integer number (52785).

2⁷⁴⁰⁹⁹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 740992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (844560).

740992 is an abundant number, since it is smaller than the sum of its proper divisors (948128).

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

740992 is an equidigital number, since it uses as much as digits as its factorization.

740992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 740992 is about 860.8089218868. The cubic root of 740992 is about 90.4908164017.

The spelling of 740992 in words is "seven hundred forty thousand, nine hundred ninety-two".