67121352 has 32 divisors (see below), whose sum is σ = 186448800. Its totient is φ = 22373712.

The previous prime is 67121339. The next prime is 67121359. The reversal of 67121352 is 25312176.

It is a happy number.

It is a hoax number, since the sum of its digits (27) 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 (27).

It is not an unprimeable number, because it can be changed into a prime (67121359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155158 + ... + 155589.

It is an arithmetic number, because the mean of its divisors is an integer number (5826525).

Almost surely, 2^67121352 is an apocalyptic number.

It is an amenable number.

67121352 is an abundant number, since it is smaller than the sum of its proper divisors (119327448).

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

67121352 is a wasteful number, since it uses less digits than its factorization.

67121352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310762 (or 310752 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 67121352 is about 8192.7621715756. The cubic root of 67121352 is about 406.3998745789.

The spelling of 67121352 in words is "sixty-seven million, one hundred twenty-one thousand, three hundred fifty-two".