67894452 has 36 divisors (see below), whose sum is σ = 177542820. Its totient is φ = 21850752.

The previous prime is 67894399. The next prime is 67894457. The reversal of 67894452 is 25449876.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51926436 + 15968016 = 7206^2 + 3996^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×67894452² = 9219313224760608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67894398 and 67894407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67894457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31473 + ... + 33560.

It is an arithmetic number, because the mean of its divisors is an integer number (4931745).

Almost surely, 2^67894452 is an apocalyptic number.

It is an amenable number.

67894452 is an abundant number, since it is smaller than the sum of its proper divisors (109648368).

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

67894452 is a wasteful number, since it uses less digits than its factorization.

67894452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65072 (or 65067 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 67894452 is about 8239.8089783684. The cubic root of 67894452 is about 407.9542192000.

The spelling of 67894452 in words is "sixty-seven million, eight hundred ninety-four thousand, four hundred fifty-two".