67900030 has 16 divisors (see below), whose sum is σ = 133331184. Its totient is φ = 24690880.

The previous prime is 67900009. The next prime is 67900031. The reversal of 67900030 is 3000976.

It is a super-2 number, since 2×67900030² = 9220828148001800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67899968 and 67900004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67900031) 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, 308527 + ... + 308746.

It is an arithmetic number, because the mean of its divisors is an integer number (8333199).

Almost surely, 2^67900030 is an apocalyptic number.

67900030 is a deficient number, since it is larger than the sum of its proper divisors (65431154).

67900030 is a wasteful number, since it uses less digits than its factorization.

67900030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617291.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 67900030 is about 8240.1474501370. The cubic root of 67900030 is about 407.9653909833.

The spelling of 67900030 in words is "sixty-seven million, nine hundred thousand, thirty".