10475721 has 6 divisors (see below), whose sum is σ = 15131610. Its totient is φ = 6983808.

The previous prime is 10475711. The next prime is 10475749. The reversal of 10475721 is 12757401.

It can be written as a sum of positive squares in only one way, i.e., 9734400 + 741321 = 3120^2 + 861^2 .

It is not a de Polignac number, because 10475721 - 2⁶ = 10475657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10475701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 581976 + ... + 581993.

It is an arithmetic number, because the mean of its divisors is an integer number (2521935).

Almost surely, 2^10475721 is an apocalyptic number.

It is an amenable number.

10475721 is a deficient number, since it is larger than the sum of its proper divisors (4655889).

10475721 is a wasteful number, since it uses less digits than its factorization.

10475721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163975 (or 1163972 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 10475721 is about 3236.6218500158. The cubic root of 10475721 is about 218.8070484134.

The spelling of 10475721 in words is "ten million, four hundred seventy-five thousand, seven hundred twenty-one".