64562487 has 8 divisors (see below), whose sum is σ = 93909120. Its totient is φ = 39128760.

The previous prime is 64562467. The next prime is 64562489. The reversal of 64562487 is 78426546.

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

It is not a de Polignac number, because 64562487 - 2⁶ = 64562423 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64562489) 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, 978187 + ... + 978252.

It is an arithmetic number, because the mean of its divisors is an integer number (11738640).

Almost surely, 2^64562487 is an apocalyptic number.

64562487 is a deficient number, since it is larger than the sum of its proper divisors (29346633).

64562487 is a wasteful number, since it uses less digits than its factorization.

64562487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956453.

The product of its digits is 322560, while the sum is 42.

The square root of 64562487 is about 8035.0785310412. The cubic root of 64562487 is about 401.1684315129.

The spelling of 64562487 in words is "sixty-four million, five hundred sixty-two thousand, four hundred eighty-seven".