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74590793449 = 223334487863
BaseRepresentation
bin100010101110111110…
…1010010111011101001
321010112100201220120121
41011131331102323221
52210230220342244
654133323323241
75250300166054
oct1053575227351
9233470656517
1074590793449
11296a7616147
1212558380521
137059590293
1438785d7a9b
151e18685c84
hex115df52ee9

74590793449 has 4 divisors (see below), whose sum is σ = 74925281536. Its totient is φ = 74256305364.

The previous prime is 74590793419. The next prime is 74590793477. The reversal of 74590793449 is 94439709547.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94439709547 = 97197260257.

It is a cyclic number.

It is not a de Polignac number, because 74590793449 - 215 = 74590760681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74590793419) 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, 167243709 + ... + 167244154.

It is an arithmetic number, because the mean of its divisors is an integer number (18731320384).

Almost surely, 274590793449 is an apocalyptic number.

It is an amenable number.

74590793449 is a deficient number, since it is larger than the sum of its proper divisors (334488087).

74590793449 is a wasteful number, since it uses less digits than its factorization.

74590793449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334488086.

The product of its (nonzero) digits is 34292160, while the sum is 61.

The spelling of 74590793449 in words is "seventy-four billion, five hundred ninety million, seven hundred ninety-three thousand, four hundred forty-nine".

Divisors: 1 223 334487863 74590793449