67261412 has 24 divisors (see below), whose sum is σ = 121248120. Its totient is φ = 32624640.

The previous prime is 67261391. The next prime is 67261427. The reversal of 67261412 is 21416276.

It can be written as a sum of positive squares in 4 ways, for example, as 24542116 + 42719296 = 4954^2 + 6536^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94514 + ... + 95222.

It is an arithmetic number, because the mean of its divisors is an integer number (5052005).

Almost surely, 2^67261412 is an apocalyptic number.

It is an amenable number.

67261412 is a deficient number, since it is larger than the sum of its proper divisors (53986708).

67261412 is a wasteful number, since it uses less digits than its factorization.

67261412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391 (or 1389 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 67261412 is about 8201.3055058326. The cubic root of 67261412 is about 406.6823521078.

Adding to 67261412 its reverse (21416276), we get a palindrome (88677688).

The spelling of 67261412 in words is "sixty-seven million, two hundred sixty-one thousand, four hundred twelve".