67909452 has 24 divisors (see below), whose sum is σ = 170644656. Its totient is φ = 20895168.

The previous prime is 67909451. The next prime is 67909453. The reversal of 67909452 is 25490976.

It is an interprime number because it is at equal distance from previous prime (67909451) and next prime (67909453).

It is a super-2 number, since 2×67909452² = 9223387341880608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67909451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217503 + ... + 217814.

It is an arithmetic number, because the mean of its divisors is an integer number (7110194).

Almost surely, 2^67909452 is an apocalyptic number.

It is an amenable number.

67909452 is an abundant number, since it is smaller than the sum of its proper divisors (102735204).

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

67909452 is a wasteful number, since it uses less digits than its factorization.

67909452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435337 (or 435335 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 67909452 is about 8240.7191433758. The cubic root of 67909452 is about 407.9842602540.

The spelling of 67909452 in words is "sixty-seven million, nine hundred nine thousand, four hundred fifty-two".