67930330 has 16 divisors (see below), whose sum is σ = 131680584. Its totient is φ = 25081920.

The previous prime is 67930327. The next prime is 67930333. The reversal of 67930330 is 3303976.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (67930327) and next prime (67930333).

It can be written as a sum of positive squares in 4 ways, for example, as 32729841 + 35200489 = 5721^2 + 5933^2 .

It is a super-2 number, since 2×67930330² = 9229059467817800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67930292 and 67930301.

It is not an unprimeable number, because it can be changed into a prime (67930333) 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, 261141 + ... + 261400.

Almost surely, 2^67930330 is an apocalyptic number.

67930330 is a deficient number, since it is larger than the sum of its proper divisors (63750254).

67930330 is a wasteful number, since it uses less digits than its factorization.

67930330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522561.

The product of its (nonzero) digits is 10206, while the sum is 31.

The square root of 67930330 is about 8241.9858044042. The cubic root of 67930330 is about 408.0260660330.

The spelling of 67930330 in words is "sixty-seven million, nine hundred thirty thousand, three hundred thirty".