67313450 has 24 divisors (see below), whose sum is σ = 125479692. Its totient is φ = 26865920.

The previous prime is 67313423. The next prime is 67313461. The reversal of 67313450 is 5431376.

It can be written as a sum of positive squares in 6 ways, for example, as 28761769 + 38551681 = 5363^2 + 6209^2 .

It is a super-2 number, since 2×67313450² = 9062201101805000, which contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 26642 + ... + 29058.

Almost surely, 2^67313450 is an apocalyptic number.

67313450 is a deficient number, since it is larger than the sum of its proper divisors (58166242).

67313450 is a wasteful number, since it uses less digits than its factorization.

67313450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2986 (or 2981 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 67313450 is about 8204.4774361321. The cubic root of 67313450 is about 406.7872041087.

The spelling of 67313450 in words is "sixty-seven million, three hundred thirteen thousand, four hundred fifty".