67699461 has 4 divisors (see below), whose sum is σ = 90265952. Its totient is φ = 45132972.

The previous prime is 67699453. The next prime is 67699517. The reversal of 67699461 is 16499676.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 67699461 - 2³ = 67699453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67699461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67699441) 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 3 ways as a sum of consecutive naturals, for example, 11283241 + ... + 11283246.

It is an arithmetic number, because the mean of its divisors is an integer number (22566488).

Almost surely, 2^67699461 is an apocalyptic number.

It is an amenable number.

67699461 is a deficient number, since it is larger than the sum of its proper divisors (22566491).

67699461 is a wasteful number, since it uses less digits than its factorization.

67699461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22566490.

The product of its digits is 489888, while the sum is 48.

The square root of 67699461 is about 8227.9682182177. The cubic root of 67699461 is about 407.5633002899.

The spelling of 67699461 in words is "sixty-seven million, six hundred ninety-nine thousand, four hundred sixty-one".