740904 has 16 divisors (see below), whose sum is σ = 1852320. Its totient is φ = 246960.

The previous prime is 740903. The next prime is 740923. The reversal of 740904 is 409047.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 30871 = 740904 / (7 + 4 + 0 + 9 + 0 + 4).

It is not an unprimeable number, because it can be changed into a prime (740903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15412 + ... + 15459.

It is an arithmetic number, because the mean of its divisors is an integer number (115770).

2⁷⁴⁰⁹⁰⁴ is an apocalyptic number.

It is an amenable number.

740904 is an abundant number, since it is smaller than the sum of its proper divisors (1111416).

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

740904 is a wasteful number, since it uses less digits than its factorization.

740904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30880 (or 30876 counting only the distinct ones).

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

The square root of 740904 is about 860.7578056573. The cubic root of 740904 is about 90.4872340387.

The spelling of 740904 in words is "seven hundred forty thousand, nine hundred four".