67900038 has 8 divisors (see below), whose sum is σ = 135800088. Its totient is φ = 22633344.

The previous prime is 67900037. The next prime is 67900043. The reversal of 67900038 is 83000976.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

67900038 is an admirable number.

It is a super-2 number, since 2×67900038² = 9220830320802888, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 67899981 and 67900008.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5658331 + ... + 5658342.

It is an arithmetic number, because the mean of its divisors is an integer number (16975011).

Almost surely, 2^67900038 is an apocalyptic number.

67900038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

67900038 is a wasteful number, since it uses less digits than its factorization.

67900038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11316678.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 67900038 is about 8240.1479355652. The cubic root of 67900038 is about 407.9654070055.

The spelling of 67900038 in words is "sixty-seven million, nine hundred thousand, thirty-eight".