740404 has 24 divisors (see below), whose sum is σ = 1530368. Its totient is φ = 306720.

The previous prime is 740387. The next prime is 740423. The reversal of 740404 is 404047.

It is a happy number.

It is a congruent number.

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, 442 + ... + 1294.

2⁷⁴⁰⁴⁰⁴ 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 740404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (765184).

740404 is an abundant number, since it is smaller than the sum of its proper divisors (789964).

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

740404 is a wasteful number, since it uses less digits than its factorization.

740404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 740404 is about 860.4673148935. The cubic root of 740404 is about 90.4668743167.

The spelling of 740404 in words is "seven hundred forty thousand, four hundred four", and thus it is an iban number.