67908764 has 96 divisors (see below), whose sum is σ = 156280320. Its totient is φ = 25056000.

The previous prime is 67908683. The next prime is 67908767. The reversal of 67908764 is 46780976.

It is a happy number.

It is a super-2 number, since 2×67908764² = 9223200456015392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67908767) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 672314 + ... + 672414.

It is an arithmetic number, because the mean of its divisors is an integer number (1627920).

Almost surely, 2^67908764 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 67908764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78140160).

67908764 is an abundant number, since it is smaller than the sum of its proper divisors (88371556).

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

67908764 is a wasteful number, since it uses less digits than its factorization.

67908764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 67908764 is about 8240.6773993404. The cubic root of 67908764 is about 407.9828824678.

The spelling of 67908764 in words is "sixty-seven million, nine hundred eight thousand, seven hundred sixty-four".