42664654 has 8 divisors (see below), whose sum is σ = 64144080. Its totient is φ = 21283296.

The previous prime is 42664651. The next prime is 42664667. The reversal of 42664654 is 45646624.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42664651) by changing a digit.

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, 23419 + ... + 25174.

It is an arithmetic number, because the mean of its divisors is an integer number (8018010).

Almost surely, 2^42664654 is an apocalyptic number.

42664654 is a deficient number, since it is larger than the sum of its proper divisors (21479426).

42664654 is a wasteful number, since it uses less digits than its factorization.

42664654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49034.

The product of its digits is 138240, while the sum is 37.

The square root of 42664654 is about 6531.8185829063. The cubic root of 42664654 is about 349.4266913510.

The spelling of 42664654 in words is "forty-two million, six hundred sixty-four thousand, six hundred fifty-four".