10642667 has 4 divisors (see below), whose sum is σ = 12163056. Its totient is φ = 9122280.

The previous prime is 10642661. The next prime is 10642669. The reversal of 10642667 is 76624601.

10642667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10642667 - 2¹² = 10638571 is a prime.

It is a super-2 number, since 2×10642667² = 226532721745778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10642661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760184 + ... + 760197.

It is an arithmetic number, because the mean of its divisors is an integer number (3040764).

Almost surely, 2^10642667 is an apocalyptic number.

10642667 is a deficient number, since it is larger than the sum of its proper divisors (1520389).

10642667 is an equidigital number, since it uses as much as digits as its factorization.

10642667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520388.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 10642667 is about 3262.3100710999. The cubic root of 10642667 is about 219.9632652164.

The spelling of 10642667 in words is "ten million, six hundred forty-two thousand, six hundred sixty-seven".