67740893 has 4 divisors (see below), whose sum is σ = 73899168. Its totient is φ = 61582620.

The previous prime is 67740889. The next prime is 67740899. The reversal of 67740893 is 39804776.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 67740893 - 2² = 67740889 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 (67740899) 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, 3079121 + ... + 3079142.

It is an arithmetic number, because the mean of its divisors is an integer number (18474792).

Almost surely, 2^67740893 is an apocalyptic number.

It is an amenable number.

67740893 is a deficient number, since it is larger than the sum of its proper divisors (6158275).

67740893 is a wasteful number, since it uses less digits than its factorization.

67740893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6158274.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 67740893 is about 8230.4855871328. The cubic root of 67740893 is about 407.6464261071.

The spelling of 67740893 in words is "sixty-seven million, seven hundred forty thousand, eight hundred ninety-three".