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72620327 = 1359731297
BaseRepresentation
bin1000101010000…
…01100100100111
312001122111100202
410111001210213
5122042322302
611112301115
71541156033
oct425014447
9161574322
1072620327
1137aa07aa
12203a179b
1312078410
1499051c3
156597202
hex4541927

72620327 has 16 divisors (see below), whose sum is σ = 80683680. Its totient is φ = 64945152.

The previous prime is 72620323. The next prime is 72620329. The reversal of 72620327 is 72302627.

It is a cyclic number.

It is not a de Polignac number, because 72620327 - 22 = 72620323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72620327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72620323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55343 + ... + 56639.

It is an arithmetic number, because the mean of its divisors is an integer number (5042730).

Almost surely, 272620327 is an apocalyptic number.

72620327 is a deficient number, since it is larger than the sum of its proper divisors (8063353).

72620327 is a wasteful number, since it uses less digits than its factorization.

72620327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 72620327 is about 8521.7560983638. The cubic root of 72620327 is about 417.2081017484.

The spelling of 72620327 in words is "seventy-two million, six hundred twenty thousand, three hundred twenty-seven".

Divisors: 1 13 59 73 767 949 1297 4307 16861 55991 76523 94681 994799 1230853 5586179 72620327