67074631 has 8 divisors (see below), whose sum is σ = 72343040. Its totient is φ = 61821792.

The previous prime is 67074619. The next prime is 67074661. The reversal of 67074631 is 13647076.

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

It is a cyclic number.

It is not a de Polignac number, because 67074631 - 2¹⁷ = 66943559 is a prime.

It is a super-2 number, since 2×67074631² = 8998012247572322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67074611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6010 + ... + 13048.

It is an arithmetic number, because the mean of its divisors is an integer number (9042880).

Almost surely, 2^67074631 is an apocalyptic number.

67074631 is a deficient number, since it is larger than the sum of its proper divisors (5268409).

67074631 is a wasteful number, since it uses less digits than its factorization.

67074631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7785.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 67074631 is about 8189.9103169693. The cubic root of 67074631 is about 406.3055587604.

The spelling of 67074631 in words is "sixty-seven million, seventy-four thousand, six hundred thirty-one".