64873011 has 24 divisors (see below), whose sum is σ = 105919680. Its totient is φ = 35117712.

The previous prime is 64873009. The next prime is 64873013. The reversal of 64873011 is 11037846.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (64873009) and next prime (64873013).

It is not a de Polignac number, because 64873011 - 2¹ = 64873009 is a prime.

It is a super-2 number, since 2×64873011² = 8417015112412242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64873011.

It is not an unprimeable number, because it can be changed into a prime (64873013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8821 + ... + 14406.

It is an arithmetic number, because the mean of its divisors is an integer number (4413320).

Almost surely, 2^64873011 is an apocalyptic number.

64873011 is a deficient number, since it is larger than the sum of its proper divisors (41046669).

64873011 is a wasteful number, since it uses less digits than its factorization.

64873011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23263 (or 23256 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 64873011 is about 8054.3783745240. The cubic root of 64873011 is about 401.8105651857.

The spelling of 64873011 in words is "sixty-four million, eight hundred seventy-three thousand, eleven".