67492071 has 6 divisors (see below), whose sum is σ = 97488560. Its totient is φ = 44994708.

The previous prime is 67492049. The next prime is 67492079. The reversal of 67492071 is 17029476.

It is a happy number.

It is not a de Polignac number, because 67492071 - 2⁵ = 67492039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67492079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3749551 + ... + 3749568.

Almost surely, 2^67492071 is an apocalyptic number.

67492071 is a deficient number, since it is larger than the sum of its proper divisors (29996489).

67492071 is a wasteful number, since it uses less digits than its factorization.

67492071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7499125 (or 7499122 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 67492071 is about 8215.3558048328. The cubic root of 67492071 is about 407.1466991855.

The spelling of 67492071 in words is "sixty-seven million, four hundred ninety-two thousand, seventy-one".