42747470 has 8 divisors (see below), whose sum is σ = 76945464. Its totient is φ = 17098984.

The previous prime is 42747451. The next prime is 42747493. The reversal of 42747470 is 7474724.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42747470.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2137364 + ... + 2137383.

It is an arithmetic number, because the mean of its divisors is an integer number (9618183).

Almost surely, 2^42747470 is an apocalyptic number.

42747470 is a deficient number, since it is larger than the sum of its proper divisors (34197994).

42747470 is a wasteful number, since it uses less digits than its factorization.

42747470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4274754.

The product of its (nonzero) digits is 43904, while the sum is 35.

The square root of 42747470 is about 6538.1549385129. The cubic root of 42747470 is about 349.6526349560.

The spelling of 42747470 in words is "forty-two million, seven hundred forty-seven thousand, four hundred seventy".