67451152 has 10 divisors (see below), whose sum is σ = 130686638. Its totient is φ = 33725568.

The previous prime is 67451147. The next prime is 67451161. The reversal of 67451152 is 25115476.

It can be written as a sum of positive squares in only one way, i.e., 51322896 + 16128256 = 7164^2 + 4016^2 .

It is a super-2 number, since 2×67451152² = 9099315812254208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2107833 + ... + 2107864.

Almost surely, 2^67451152 is an apocalyptic number.

It is an amenable number.

67451152 is a deficient number, since it is larger than the sum of its proper divisors (63235486).

67451152 is a wasteful number, since it uses less digits than its factorization.

67451152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4215705 (or 4215699 counting only the distinct ones).

The product of its digits is 8400, while the sum is 31.

The square root of 67451152 is about 8212.8650299393. The cubic root of 67451152 is about 407.0644011044.

The spelling of 67451152 in words is "sixty-seven million, four hundred fifty-one thousand, one hundred fifty-two".