67952231 has 4 divisors (see below), whose sum is σ = 69066264. Its totient is φ = 66838200.

The previous prime is 67952221. The next prime is 67952233. The reversal of 67952231 is 13225976.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67952231 - 2¹⁰ = 67951207 is a prime.

It is a super-2 number, since 2×67952231² = 9235011395754722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67952191 and 67952200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67952233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556925 + ... + 557046.

It is an arithmetic number, because the mean of its divisors is an integer number (17266566).

Almost surely, 2^67952231 is an apocalyptic number.

67952231 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

67952231 is a deficient number, since it is larger than the sum of its proper divisors (1114033).

67952231 is a wasteful number, since it uses less digits than its factorization.

67952231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114032.

The product of its digits is 22680, while the sum is 35.

The square root of 67952231 is about 8243.3143213152. The cubic root of 67952231 is about 408.0699110464.

The spelling of 67952231 in words is "sixty-seven million, nine hundred fifty-two thousand, two hundred thirty-one".