10743921 has 40 divisors (see below), whose sum is σ = 17191680. Its totient is φ = 6671808.

The previous prime is 10743913. The next prime is 10743923. The reversal of 10743921 is 12934701.

10743921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10743921 - 2³ = 10743913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10743923) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 135960 + ... + 136038.

It is an arithmetic number, because the mean of its divisors is an integer number (429792).

Almost surely, 2^10743921 is an apocalyptic number.

It is an amenable number.

10743921 is a deficient number, since it is larger than the sum of its proper divisors (6447759).

10743921 is an equidigital number, since it uses as much as digits as its factorization.

10743921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 10743921 is about 3277.7920922475. The cubic root of 10743921 is about 220.6586391366.

It can be divided in two parts, 10743 and 921, that added together give a square (11664 = 108²).

The spelling of 10743921 in words is "ten million, seven hundred forty-three thousand, nine hundred twenty-one".