74745674357 has 8 divisors (see below), whose sum is σ = 76771483296. Its totient is φ = 72720163152.

The previous prime is 74745674351. The next prime is 74745674369. The reversal of 74745674357 is 75347654747.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74745674357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74745674296 and 74745674305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74745674351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492098 + ... + 625820.

It is an arithmetic number, because the mean of its divisors is an integer number (9596435412).

Almost surely, 2^74745674357 is an apocalyptic number.

It is an amenable number.

74745674357 is a deficient number, since it is larger than the sum of its proper divisors (2025808939).

74745674357 is a wasteful number, since it uses less digits than its factorization.

74745674357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148867.

The product of its digits is 69148800, while the sum is 59.

The spelling of 74745674357 in words is "seventy-four billion, seven hundred forty-five million, six hundred seventy-four thousand, three hundred fifty-seven".