2073440 has 24 divisors (see below), whose sum is σ = 4898880. Its totient is φ = 829312.

The previous prime is 2073403. The next prime is 2073457. The reversal of 2073440 is 443702.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6320 + ... + 6639.

It is an arithmetic number, because the mean of its divisors is an integer number (204120).

2^2073440 is an apocalyptic number.

2073440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2073440 is an abundant number, since it is smaller than the sum of its proper divisors (2825440).

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

2073440 is a wasteful number, since it uses less digits than its factorization.

2073440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12974 (or 12966 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 2073440 is about 1439.9444433727. The cubic root of 2073440 is about 127.5157484072.

The spelling of 2073440 in words is "two million, seventy-three thousand, four hundred forty".