64067004 has 24 divisors (see below), whose sum is σ = 166099920. Its totient is φ = 21355632.

The previous prime is 64066967. The next prime is 64067009. The reversal of 64067004 is 40076046.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64067009) 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, 296499 + ... + 296714.

It is an arithmetic number, because the mean of its divisors is an integer number (6920830).

Almost surely, 2^64067004 is an apocalyptic number.

It is an amenable number.

64067004 is an abundant number, since it is smaller than the sum of its proper divisors (102032916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64067004 is a wasteful number, since it uses less digits than its factorization.

64067004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593226 (or 593218 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 64067004 is about 8004.1866544953. The cubic root of 64067004 is about 400.1395429804.

The spelling of 64067004 in words is "sixty-four million, sixty-seven thousand, four".