67406330 has 16 divisors (see below), whose sum is σ = 126607104. Its totient is φ = 25790160.

The previous prime is 67406323. The next prime is 67406347. The reversal of 67406330 is 3360476.

It is a super-2 number, since 2×67406330² = 9087226648137800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67406293 and 67406302.

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 7 ways as a sum of consecutive naturals, for example, 146306 + ... + 146765.

It is an arithmetic number, because the mean of its divisors is an integer number (7912944).

Almost surely, 2^67406330 is an apocalyptic number.

67406330 is a deficient number, since it is larger than the sum of its proper divisors (59200774).

67406330 is a wasteful number, since it uses less digits than its factorization.

67406330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293101.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 67406330 is about 8210.1358088646. The cubic root of 67406330 is about 406.9742149328.

The spelling of 67406330 in words is "sixty-seven million, four hundred six thousand, three hundred thirty".