100426473 has 40 divisors (see below), whose sum is σ = 176121792. Its totient is φ = 55823904.

The previous prime is 100426471. The next prime is 100426477. The reversal of 100426473 is 374624001.

100426473 is a `hidden beast` number, since 10 + 0 + 4 + 2 + 647 + 3 = 666.

It is not a de Polignac number, because 100426473 - 2¹ = 100426471 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (100426471) 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, 18586 + ... + 23372.

Almost surely, 2^100426473 is an apocalyptic number.

It is an amenable number.

100426473 is a deficient number, since it is larger than the sum of its proper divisors (75695319).

100426473 is an equidigital number, since it uses as much as digits as its factorization.

100426473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4843 (or 4834 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 100426473 is about 10021.3009634478. The cubic root of 100426473 is about 464.8177850061.

The spelling of 100426473 in words is "one hundred million, four hundred twenty-six thousand, four hundred seventy-three".