67900000 has 144 divisors (see below), whose sum is σ = 192925152. Its totient is φ = 23040000.

The previous prime is 67899983. The next prime is 67900003. The reversal of 67900000 is 976.

It is a super-2 number, since 2×67900000² = 9220820000000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67900003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 699952 + ... + 700048.

It is an arithmetic number, because the mean of its divisors is an integer number (1339758).

Almost surely, 2^67900000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67900000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96462576).

67900000 is an abundant number, since it is smaller than the sum of its proper divisors (125025152).

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

67900000 is an frugal number, since it uses more digits than its factorization.

67900000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 67900000 is about 8240.1456297811. The cubic root of 67900000 is about 407.9653309001.

Adding to 67900000 its reverse (976), we get a palindrome (67900976).

The spelling of 67900000 in words is "sixty-seven million, nine hundred thousand".