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75364427 = 271327779
BaseRepresentation
bin1000111110111…
…11100001001011
312020210220120002
410133133201023
5123243130202
611251153215
71603405235
oct437374113
9166726502
1075364427
11395a5456
12212a580b
13127c9448
14a01b255
15693a302
hex47df84b

75364427 has 4 divisors (see below), whose sum is σ = 75394920. Its totient is φ = 75333936.

The previous prime is 75364403. The next prime is 75364439. The reversal of 75364427 is 72446357.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75364427 - 26 = 75364363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75364727) 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, 11177 + ... + 16602.

It is an arithmetic number, because the mean of its divisors is an integer number (18848730).

Almost surely, 275364427 is an apocalyptic number.

75364427 is a deficient number, since it is larger than the sum of its proper divisors (30493).

75364427 is a wasteful number, since it uses less digits than its factorization.

75364427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30492.

The product of its digits is 141120, while the sum is 38.

The square root of 75364427 is about 8681.2687436803. The cubic root of 75364427 is about 422.3982729540.

The spelling of 75364427 in words is "seventy-five million, three hundred sixty-four thousand, four hundred twenty-seven".

Divisors: 1 2713 27779 75364427