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72669064 = 23133312111
BaseRepresentation
bin1000101010011…
…01011110001000
312001201222012211
410111031132020
5122100402224
611113314504
71541451106
oct425153610
9161658184
1072669064
1138024386
1220405a34
1312094660
149918c76
1565a6894
hex454d788

72669064 has 32 divisors (see below), whose sum is σ = 147248640. Its totient is φ = 33422400.

The previous prime is 72669059. The next prime is 72669089. The reversal of 72669064 is 46096627.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33369 + ... + 35479.

It is an arithmetic number, because the mean of its divisors is an integer number (4601520).

Almost surely, 272669064 is an apocalyptic number.

It is an amenable number.

72669064 is an abundant number, since it is smaller than the sum of its proper divisors (74579576).

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

72669064 is a wasteful number, since it uses less digits than its factorization.

72669064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461 (or 2457 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 72669064 is about 8524.6151819305. The cubic root of 72669064 is about 417.3014131992.

The spelling of 72669064 in words is "seventy-two million, six hundred sixty-nine thousand, sixty-four".

Divisors: 1 2 4 8 13 26 52 104 331 662 1324 2111 2648 4222 4303 8444 8606 16888 17212 27443 34424 54886 109772 219544 698741 1397482 2794964 5589928 9083633 18167266 36334532 72669064