67366512 has 80 divisors (see below), whose sum is σ = 204763680. Its totient is φ = 21132288.

The previous prime is 67366511. The next prime is 67366513. The reversal of 67366512 is 21566376.

It is an interprime number because it is at equal distance from previous prime (67366511) and next prime (67366513).

It is a super-2 number, since 2×67366512² = 9076493878092288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67366511) 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, 2758 + ... + 11930.

It is an arithmetic number, because the mean of its divisors is an integer number (2559546).

Almost surely, 2^67366512 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 67366512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102381840).

67366512 is an abundant number, since it is smaller than the sum of its proper divisors (137397168).

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

67366512 is a wasteful number, since it uses less digits than its factorization.

67366512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9207 (or 9195 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 67366512 is about 8207.7105212111. The cubic root of 67366512 is about 406.8940637503.

The spelling of 67366512 in words is "sixty-seven million, three hundred sixty-six thousand, five hundred twelve".