740490 has 16 divisors (see below), whose sum is σ = 1777248. Its totient is φ = 197456.

The previous prime is 740483. The next prime is 740513. The reversal of 740490 is 94047.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 740490.

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, 12312 + ... + 12371.

It is an arithmetic number, because the mean of its divisors is an integer number (111078).

2⁷⁴⁰⁴⁹⁰ is an apocalyptic number.

740490 is an abundant number, since it is smaller than the sum of its proper divisors (1036758).

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

740490 is a wasteful number, since it uses less digits than its factorization.

740490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24693.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 740490 is about 860.5172862877. The cubic root of 740490 is about 90.4703768414.

The spelling of 740490 in words is "seven hundred forty thousand, four hundred ninety".