67248570783 has 4 divisors (see below), whose sum is σ = 89664761048. Its totient is φ = 44832380520.

The previous prime is 67248570751. The next prime is 67248570841. The reversal of 67248570783 is 38707584276.

It is a happy number.

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

It is not a de Polignac number, because 67248570783 - 2⁵ = 67248570751 is a prime.

It is a super-2 number, since 2×67248570783² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67248570703) 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, 11208095128 + ... + 11208095133.

It is an arithmetic number, because the mean of its divisors is an integer number (22416190262).

Almost surely, 2^67248570783 is an apocalyptic number.

67248570783 is a deficient number, since it is larger than the sum of its proper divisors (22416190265).

67248570783 is a wasteful number, since it uses less digits than its factorization.

67248570783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22416190264.

The product of its (nonzero) digits is 15805440, while the sum is 57.

The spelling of 67248570783 in words is "sixty-seven billion, two hundred forty-eight million, five hundred seventy thousand, seven hundred eighty-three".