67774812 has 48 divisors (see below), whose sum is σ = 182929152. Its totient is φ = 19128960.

The previous prime is 67774781. The next prime is 67774849. The reversal of 67774812 is 21847776.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 2112 + ... + 11832.

It is an arithmetic number, because the mean of its divisors is an integer number (3811024).

Almost surely, 2^67774812 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 67774812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91464576).

67774812 is an abundant number, since it is smaller than the sum of its proper divisors (115154340).

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

67774812 is a wasteful number, since it uses less digits than its factorization.

67774812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9818 (or 9816 counting only the distinct ones).

The product of its digits is 131712, while the sum is 42.

The square root of 67774812 is about 8232.5459002668. The cubic root of 67774812 is about 407.7144532192.

It can be divided in two parts, 67774 and 812, that added together give a palindrome (68586).

The spelling of 67774812 in words is "sixty-seven million, seven hundred seventy-four thousand, eight hundred twelve".