67340749692 has 12 divisors (see below), whose sum is σ = 157128415976. Its totient is φ = 22446916560.

The previous prime is 67340749691. The next prime is 67340749759. The reversal of 67340749692 is 29694704376.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67340749691) 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, 2805864559 + ... + 2805864582.

Almost surely, 2^67340749692 is an apocalyptic number.

It is an amenable number.

67340749692 is an abundant number, since it is smaller than the sum of its proper divisors (89787666284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67340749692 is a wasteful number, since it uses less digits than its factorization.

67340749692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611729148 (or 5611729146 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 57.

The spelling of 67340749692 in words is "sixty-seven billion, three hundred forty million, seven hundred forty-nine thousand, six hundred ninety-two".