64600042 has 8 divisors (see below), whose sum is σ = 104353956. Its totient is φ = 29815392.

The previous prime is 64600033. The next prime is 64600087. The reversal of 64600042 is 24000646.

It can be written as a sum of positive squares in 2 ways, for example, as 62552281 + 2047761 = 7909^2 + 1431^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 64599986 and 64600022.

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, 1242283 + ... + 1242334.

Almost surely, 2^64600042 is an apocalyptic number.

64600042 is a deficient number, since it is larger than the sum of its proper divisors (39753914).

64600042 is a wasteful number, since it uses less digits than its factorization.

64600042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484632.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 64600042 is about 8037.4151317448. The cubic root of 64600042 is about 401.2462009261.

Adding to 64600042 its reverse (24000646), we get a palindrome (88600688).

The spelling of 64600042 in words is "sixty-four million, six hundred thousand, forty-two".