10748721 has 8 divisors (see below), whose sum is σ = 14347584. Its totient is φ = 7157840.

The previous prime is 10748713. The next prime is 10748747. The reversal of 10748721 is 12784701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10748721 - 2³ = 10748713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10748701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2791 + ... + 5411.

It is an arithmetic number, because the mean of its divisors is an integer number (1793448).

Almost surely, 2^10748721 is an apocalyptic number.

It is an amenable number.

10748721 is a deficient number, since it is larger than the sum of its proper divisors (3598863).

10748721 is a wasteful number, since it uses less digits than its factorization.

10748721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3991.

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 10748721 is about 3278.5242106777. The cubic root of 10748721 is about 220.6914950426.

It can be divided in two parts, 107 and 48721, that added together give a triangular number (48828 = T₃₁₂).

The spelling of 10748721 in words is "ten million, seven hundred forty-eight thousand, seven hundred twenty-one".