42473686 has 8 divisors (see below), whose sum is σ = 66480624. Its totient is φ = 20313480.

The previous prime is 42473677. The next prime is 42473713. The reversal of 42473686 is 68637424.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461625 + ... + 461716.

It is an arithmetic number, because the mean of its divisors is an integer number (8310078).

Almost surely, 2^42473686 is an apocalyptic number.

42473686 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

42473686 is a deficient number, since it is larger than the sum of its proper divisors (24006938).

42473686 is a wasteful number, since it uses less digits than its factorization.

42473686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923366.

The product of its digits is 193536, while the sum is 40.

The square root of 42473686 is about 6517.1839010419. The cubic root of 42473686 is about 348.9045641793.

The spelling of 42473686 in words is "forty-two million, four hundred seventy-three thousand, six hundred eighty-six".