74762783813 has 4 divisors (see below), whose sum is σ = 76501453248. Its totient is φ = 73024114380.

The previous prime is 74762783803. The next prime is 74762783833. The reversal of 74762783813 is 31838726747.

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 a cyclic number.

It is not a de Polignac number, because 74762783813 - 2²² = 74758589509 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 (74762783803) 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, 869334653 + ... + 869334738.

It is an arithmetic number, because the mean of its divisors is an integer number (19125363312).

Almost surely, 2^74762783813 is an apocalyptic number.

It is an amenable number.

74762783813 is a deficient number, since it is larger than the sum of its proper divisors (1738669435).

74762783813 is a wasteful number, since it uses less digits than its factorization.

74762783813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738669434.

The product of its digits is 9483264, while the sum is 56.

The spelling of 74762783813 in words is "seventy-four billion, seven hundred sixty-two million, seven hundred eighty-three thousand, eight hundred thirteen".