64662042 has 8 divisors (see below), whose sum is σ = 129324096. Its totient is φ = 21554012.

The previous prime is 64662007. The next prime is 64662077. The reversal of 64662042 is 24026646.

It is an interprime number because it is at equal distance from previous prime (64662007) and next prime (64662077).

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

64662042 is an admirable 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, 5388498 + ... + 5388509.

It is an arithmetic number, because the mean of its divisors is an integer number (16165512).

Almost surely, 2^64662042 is an apocalyptic number.

64662042 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.

64662042 is a wasteful number, since it uses less digits than its factorization.

64662042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10777012.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 64662042 is about 8041.2711681674. The cubic root of 64662042 is about 401.3745254558.

Adding to 64662042 its reverse (24026646), we get a palindrome (88688688).

The spelling of 64662042 in words is "sixty-four million, six hundred sixty-two thousand, forty-two".