10420075 has 12 divisors (see below), whose sum is σ = 13601560. Its totient is φ = 7896960.

The previous prime is 10420009. The next prime is 10420079. The reversal of 10420075 is 57002401.

It is not a de Polignac number, because 10420075 - 2¹¹ = 10418027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (10420079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10494 + ... + 11443.

Almost surely, 2^10420075 is an apocalyptic number.

10420075 is a deficient number, since it is larger than the sum of its proper divisors (3181485).

10420075 is a wasteful number, since it uses less digits than its factorization.

10420075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21966 (or 21961 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 10420075 is about 3228.0140953843. The cubic root of 10420075 is about 218.4189332140.

Adding to 10420075 its reverse (57002401), we get a palindrome (67422476).

The spelling of 10420075 in words is "ten million, four hundred twenty thousand, seventy-five".