67904838 has 32 divisors (see below), whose sum is σ = 151603200. Its totient is φ = 22529448.

The previous prime is 67904831. The next prime is 67904857. The reversal of 67904838 is 83840976.

It is a happy number.

It is a super-2 number, since 2×67904838² = 9222134047612488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67904793 and 67904802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67904831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9223 + ... + 14861.

It is an arithmetic number, because the mean of its divisors is an integer number (4737600).

Almost surely, 2^67904838 is an apocalyptic number.

67904838 is an abundant number, since it is smaller than the sum of its proper divisors (83698362).

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

67904838 is a wasteful number, since it uses less digits than its factorization.

67904838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5873 (or 5867 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 67904838 is about 8240.4391873249. The cubic root of 67904838 is about 407.9750200969.

It can be divided in two parts, 6790 and 4838, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 67904838 in words is "sixty-seven million, nine hundred four thousand, eight hundred thirty-eight".