67364544 has 112 divisors (see below), whose sum is σ = 194328288. Its totient is φ = 20471808.

The previous prime is 67364503. The next prime is 67364551. The reversal of 67364544 is 44546376.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341854 + ... + 342050.

It is an arithmetic number, because the mean of its divisors is an integer number (1735074).

Almost surely, 2^67364544 is an apocalyptic number.

67364544 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67364544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97164144).

67364544 is an abundant number, since it is smaller than the sum of its proper divisors (126963744).

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

67364544 is a wasteful number, since it uses less digits than its factorization.

67364544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 352 counting only the distinct ones).

The product of its digits is 241920, while the sum is 39.

The square root of 67364544 is about 8207.5906330664. The cubic root of 67364544 is about 406.8901014685.

The spelling of 67364544 in words is "sixty-seven million, three hundred sixty-four thousand, five hundred forty-four".