741440 has 56 divisors (see below), whose sum is σ = 2023872. Its totient is φ = 253440.

The previous prime is 741431. The next prime is 741457. The reversal of 741440 is 44147.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 2075 + ... + 2405.

2⁷⁴¹⁴⁴⁰ is an apocalyptic number.

741440 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 741440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1011936).

741440 is an abundant number, since it is smaller than the sum of its proper divisors (1282432).

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

741440 is a wasteful number, since it uses less digits than its factorization.

741440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 741440 is about 861.0691029180. The cubic root of 741440 is about 90.5090494904.

Adding to 741440 its reverse (44147), we get a palindrome (785587).

The spelling of 741440 in words is "seven hundred forty-one thousand, four hundred forty", and thus it is an iban number.