42473906 has 8 divisors (see below), whose sum is σ = 65766144. Its totient is φ = 20551860.

The previous prime is 42473867. The next prime is 42473927. The reversal of 42473906 is 60937424.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342470 + ... + 342593.

It is an arithmetic number, because the mean of its divisors is an integer number (8220768).

Almost surely, 2^42473906 is an apocalyptic number.

42473906 is a deficient number, since it is larger than the sum of its proper divisors (23292238).

42473906 is a wasteful number, since it uses less digits than its factorization.

42473906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685096.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 42473906 is about 6517.2007794758. The cubic root of 42473906 is about 348.9051665826.

The spelling of 42473906 in words is "forty-two million, four hundred seventy-three thousand, nine hundred six".