42307748 has 12 divisors (see below), whose sum is σ = 84615552. Its totient is φ = 18131880.

The previous prime is 42307721. The next prime is 42307757. The reversal of 42307748 is 84770324.

42307748 is an admirable number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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, 755468 + ... + 755523.

It is an arithmetic number, because the mean of its divisors is an integer number (7051296).

Almost surely, 2^42307748 is an apocalyptic number.

It is an amenable number.

42307748 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42307748 is a wasteful number, since it uses less digits than its factorization.

42307748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511002 (or 1511000 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 42307748 is about 6504.4406369802. The cubic root of 42307748 is about 348.4495994498.

The spelling of 42307748 in words is "forty-two million, three hundred seven thousand, seven hundred forty-eight".