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72684033 = 375132261
BaseRepresentation
bin1000101010100…
…01001000000001
312001202201202020
410111101020001
5122101342113
611113512053
71541542542
oct425211001
9161681666
1072684033
1138034654
1220412629
131209b406
1499204c9
1565ab023
hex4551201

72684033 has 8 divisors (see below), whose sum is σ = 97044096. Its totient is φ = 48390000.

The previous prime is 72683999. The next prime is 72684037. The reversal of 72684033 is 33048627.

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

It is not a de Polignac number, because 72684033 - 28 = 72683777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72683985 and 72684003.

It is not an unprimeable number, because it can be changed into a prime (72684037) 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, 13878 + ... + 18383.

It is an arithmetic number, because the mean of its divisors is an integer number (12130512).

Almost surely, 272684033 is an apocalyptic number.

It is an amenable number.

72684033 is a deficient number, since it is larger than the sum of its proper divisors (24360063).

72684033 is a wasteful number, since it uses less digits than its factorization.

72684033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33015.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 72684033 is about 8525.4931235677. The cubic root of 72684033 is about 417.3300643457.

The spelling of 72684033 in words is "seventy-two million, six hundred eighty-four thousand, thirty-three".

Divisors: 1 3 751 2253 32261 96783 24228011 72684033