16745440 has 24 divisors (see below), whose sum is σ = 39561480. Its totient is φ = 6698112.

The previous prime is 16745437. The next prime is 16745453. The reversal of 16745440 is 4454761.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52170 + ... + 52489.

It is an arithmetic number, because the mean of its divisors is an integer number (1648395).

Almost surely, 2^16745440 is an apocalyptic number.

16745440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16745440 is an abundant number, since it is smaller than the sum of its proper divisors (22816040).

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

16745440 is a wasteful number, since it uses less digits than its factorization.

16745440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104674 (or 104666 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 16745440 is about 4092.1192553492. The cubic root of 16745440 is about 255.8382767621.

The spelling of 16745440 in words is "sixteen million, seven hundred forty-five thousand, four hundred forty".