67969536 has 160 divisors (see below), whose sum is σ = 203290560. Its totient is φ = 20054016.

The previous prime is 67969529. The next prime is 67969537. The reversal of 67969536 is 63596976.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (67969537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 496060 + ... + 496196.

It is an arithmetic number, because the mean of its divisors is an integer number (1270566).

Almost surely, 2^67969536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67969536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101645280).

67969536 is an abundant number, since it is smaller than the sum of its proper divisors (135321024).

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

67969536 is a wasteful number, since it uses less digits than its factorization.

67969536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 178 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 51.

The square root of 67969536 is about 8244.3638929877. The cubic root of 67969536 is about 408.1045483710.

The spelling of 67969536 in words is "sixty-seven million, nine hundred sixty-nine thousand, five hundred thirty-six".