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74311317 = 332752271
BaseRepresentation
bin1000110110111…
…10011010010101
312011211101222000
410123132122111
5123010430232
611212425513
71561431033
oct433363225
9164741860
1074311317
1138a46213
1220a78299
131251acc2
149c25553
1567cd27c
hex46de695

74311317 has 8 divisors (see below), whose sum is σ = 110090880. Its totient is φ = 49540860.

The previous prime is 74311291. The next prime is 74311319. The reversal of 74311317 is 71311347.

It is not a de Polignac number, because 74311317 - 215 = 74278549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2752271 = 74311317 / (7 + 4 + 3 + 1 + 1 + 3 + 1 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74311319) 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, 1376109 + ... + 1376162.

It is an arithmetic number, because the mean of its divisors is an integer number (13761360).

Almost surely, 274311317 is an apocalyptic number.

It is an amenable number.

74311317 is a deficient number, since it is larger than the sum of its proper divisors (35779563).

74311317 is a wasteful number, since it uses less digits than its factorization.

74311317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752280 (or 2752274 counting only the distinct ones).

The product of its digits is 1764, while the sum is 27.

The square root of 74311317 is about 8620.4012087605. The cubic root of 74311317 is about 420.4215665155.

The spelling of 74311317 in words is "seventy-four million, three hundred eleven thousand, three hundred seventeen".

Divisors: 1 3 9 27 2752271 8256813 24770439 74311317