64532642 has 8 divisors (see below), whose sum is σ = 96882156. Its totient is φ = 32238592.

The previous prime is 64532609. The next prime is 64532653. The reversal of 64532642 is 24623546.

It can be written as a sum of positive squares in 2 ways, for example, as 60202081 + 4330561 = 7759^2 + 2081^2 .

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 = 64532599 and 64532608.

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, 10823 + ... + 15690.

Almost surely, 2^64532642 is an apocalyptic number.

64532642 is a deficient number, since it is larger than the sum of its proper divisors (32349514).

64532642 is a wasteful number, since it uses less digits than its factorization.

64532642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27732.

The product of its digits is 34560, while the sum is 32.

The square root of 64532642 is about 8033.2211472111. The cubic root of 64532642 is about 401.1066065649.

The spelling of 64532642 in words is "sixty-four million, five hundred thirty-two thousand, six hundred forty-two".