67672671 has 16 divisors (see below), whose sum is σ = 99100800. Its totient is φ = 40735520.

The previous prime is 67672651. The next prime is 67672681. The reversal of 67672671 is 17627676.

It is a cyclic number.

It is not a de Polignac number, because 67672671 - 2¹³ = 67664479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67672651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1965 + ... + 11798.

It is an arithmetic number, because the mean of its divisors is an integer number (6193800).

Almost surely, 2^67672671 is an apocalyptic number.

67672671 is a deficient number, since it is larger than the sum of its proper divisors (31428129).

67672671 is a wasteful number, since it uses less digits than its factorization.

67672671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13926.

The product of its digits is 148176, while the sum is 42.

The square root of 67672671 is about 8226.3400732039. The cubic root of 67672671 is about 407.5095329422.

The spelling of 67672671 in words is "sixty-seven million, six hundred seventy-two thousand, six hundred seventy-one".