42731662 has 16 divisors (see below), whose sum is σ = 65312640. Its totient is φ = 20963448.

The previous prime is 42731657. The next prime is 42731669. The reversal of 42731662 is 26613724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42731669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46039 + ... + 46957.

It is an arithmetic number, because the mean of its divisors is an integer number (4082040).

Almost surely, 2^42731662 is an apocalyptic number.

42731662 is a deficient number, since it is larger than the sum of its proper divisors (22580978).

42731662 is a wasteful number, since it uses less digits than its factorization.

42731662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335.

The product of its digits is 12096, while the sum is 31.

The square root of 42731662 is about 6536.9459229827. The cubic root of 42731662 is about 349.6095291665.

The spelling of 42731662 in words is "forty-two million, seven hundred thirty-one thousand, six hundred sixty-two".