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740672 = 2671163
BaseRepresentation
bin10110100110101000000
31101122000022
42310311000
5142200142
623513012
76203252
oct2646500
91348008
10740672
11466529
122b8768
131cc18a
14153cd2
15e96d2
hexb4d40

740672 has 28 divisors (see below), whose sum is σ = 1499616. Its totient is φ = 362880.

The previous prime is 740671. The next prime is 740681. The reversal of 740672 is 276047.

It is a super-3 number, since 3×7406723 = 1218986893259833344, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740671) 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, 4463 + ... + 4625.

2740672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 740672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749808).

740672 is an abundant number, since it is smaller than the sum of its proper divisors (758944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

740672 is a wasteful number, since it uses less digits than its factorization.

740672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 740672 is about 860.6230301357. The cubic root of 740672 is about 90.4777882671.

The spelling of 740672 in words is "seven hundred forty thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 71 142 163 284 326 568 652 1136 1304 2272 2608 4544 5216 10432 11573 23146 46292 92584 185168 370336 740672