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BaseRepresentation
bin10010001001000011
310202221010
4102021003
54334212
61332003
7426432
oct221103
9122833
1074307
1150912
1237003
1327a8c
141d119
151703c
hex12243

74307 has 16 divisors (see below), whose sum is σ = 110592. Its totient is φ = 44160.

The previous prime is 74297. The next prime is 74311. The reversal of 74307 is 70347.

It is not a de Polignac number, because 74307 - 28 = 74051 is a prime.

It is an alternating number because its digits alternate between odd and even.

74307 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (74317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1558 + ... + 1604.

It is an arithmetic number, because the mean of its divisors is an integer number (6912).

274307 is an apocalyptic number.

74307 is a deficient number, since it is larger than the sum of its proper divisors (36285).

74307 is a wasteful number, since it uses less digits than its factorization.

74307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98.

The product of its (nonzero) digits is 588, while the sum is 21.

The square root of 74307 is about 272.5931033610. The cubic root of 74307 is about 42.0413425113.

The spelling of 74307 in words is "seventy-four thousand, three hundred seven", and thus it is an iban number.