74643680383 has 8 divisors (see below), whose sum is σ = 78586312320. Its totient is φ = 70702450200.

The previous prime is 74643680381. The next prime is 74643680389. The reversal of 74643680383 is 38308634647.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74643680383 - 2¹ = 74643680381 is a prime.

It is a super-2 number, since 2×74643680383² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74643680383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74643680381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240235 + ... + 454972.

It is an arithmetic number, because the mean of its divisors is an integer number (9823289040).

Almost surely, 2^74643680383 is an apocalyptic number.

74643680383 is a deficient number, since it is larger than the sum of its proper divisors (3942631937).

74643680383 is a wasteful number, since it uses less digits than its factorization.

74643680383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700877.

The product of its (nonzero) digits is 6967296, while the sum is 52.

The spelling of 74643680383 in words is "seventy-four billion, six hundred forty-three million, six hundred eighty thousand, three hundred eighty-three".