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727675421 = 11411613471
BaseRepresentation
bin101011010111110…
…111001000011101
31212201020202000112
4223113313020131
52442241103141
6200112335405
724014065454
oct5327671035
91781222015
10727675421
11343832350
12183844565
13b79ac295
146c8ddb9b
1543d3c7eb
hex2b5f721d

727675421 has 8 divisors (see below), whose sum is σ = 813189888. Its totient is φ = 645388000.

The previous prime is 727675393. The next prime is 727675423. The reversal of 727675421 is 124576727.

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

It is a cyclic number.

It is not a de Polignac number, because 727675421 - 222 = 723481117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (727675423) 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, 806285 + ... + 807186.

It is an arithmetic number, because the mean of its divisors is an integer number (101648736).

Almost surely, 2727675421 is an apocalyptic number.

It is an amenable number.

727675421 is a deficient number, since it is larger than the sum of its proper divisors (85514467).

727675421 is a wasteful number, since it uses less digits than its factorization.

727675421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613523.

The product of its digits is 164640, while the sum is 41.

The square root of 727675421 is about 26975.4596068352. The cubic root of 727675421 is about 899.4545752857.

The spelling of 727675421 in words is "seven hundred twenty-seven million, six hundred seventy-five thousand, four hundred twenty-one".

Divisors: 1 11 41 451 1613471 17748181 66152311 727675421