42661662 has 8 divisors (see below), whose sum is σ = 85323336. Its totient is φ = 14220552.

The previous prime is 42661657. The next prime is 42661691. The reversal of 42661662 is 26616624.

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

42661662 is an admirable number.

It is a congruent number.

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, 3555133 + ... + 3555144.

It is an arithmetic number, because the mean of its divisors is an integer number (10665417).

Almost surely, 2^42661662 is an apocalyptic number.

42661662 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.

42661662 is a wasteful number, since it uses less digits than its factorization.

42661662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7110282.

The product of its digits is 20736, while the sum is 33.

The square root of 42661662 is about 6531.5895461978. The cubic root of 42661662 is about 349.4185229258.

The spelling of 42661662 in words is "forty-two million, six hundred sixty-one thousand, six hundred sixty-two".