64342087 has 8 divisors (see below), whose sum is σ = 65294640. Its totient is φ = 63396480.

The previous prime is 64342009. The next prime is 64342099. The reversal of 64342087 is 78024346.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64342087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64342787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18637 + ... + 21817.

It is an arithmetic number, because the mean of its divisors is an integer number (8161830).

Almost surely, 2^64342087 is an apocalyptic number.

64342087 is a deficient number, since it is larger than the sum of its proper divisors (952553).

64342087 is a wasteful number, since it uses less digits than its factorization.

64342087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3473.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 64342087 is about 8021.3519434070. The cubic root of 64342087 is about 400.7114152208.

The spelling of 64342087 in words is "sixty-four million, three hundred forty-two thousand, eighty-seven".