64672627 has 4 divisors (see below), whose sum is σ = 65732896. Its totient is φ = 63612360.

The previous prime is 64672609. The next prime is 64672661. The reversal of 64672627 is 72627646.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64672627 - 2¹⁵ = 64639859 is a prime.

It is a super-2 number, since 2×64672627² = 8365097366162258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64672627.

It is not an unprimeable number, because it can be changed into a prime (64672327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530043 + ... + 530164.

It is an arithmetic number, because the mean of its divisors is an integer number (16433224).

Almost surely, 2^64672627 is an apocalyptic number.

64672627 is a deficient number, since it is larger than the sum of its proper divisors (1060269).

64672627 is a wasteful number, since it uses less digits than its factorization.

64672627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060268.

The product of its digits is 169344, while the sum is 40.

The square root of 64672627 is about 8041.9293083190. The cubic root of 64672627 is about 401.3964255661.

The spelling of 64672627 in words is "sixty-four million, six hundred seventy-two thousand, six hundred twenty-seven".