67492315261 has 24 divisors (see below), whose sum is σ = 84565646880. Its totient is φ = 53531204832.

The previous prime is 67492315249. The next prime is 67492315333. The reversal of 67492315261 is 16251329476.

It is a happy number.

It is not a de Polignac number, because 67492315261 - 2⁷ = 67492315133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67492315861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 802926 + ... + 882991.

It is an arithmetic number, because the mean of its divisors is an integer number (3523568620).

Almost surely, 2^67492315261 is an apocalyptic number.

It is an amenable number.

67492315261 is a deficient number, since it is larger than the sum of its proper divisors (17073331619).

67492315261 is a wasteful number, since it uses less digits than its factorization.

67492315261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685993 (or 1685986 counting only the distinct ones).

The product of its digits is 544320, while the sum is 46.

The spelling of 67492315261 in words is "sixty-seven billion, four hundred ninety-two million, three hundred fifteen thousand, two hundred sixty-one".