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72369473 = 1143153001
BaseRepresentation
bin1000101000001…
…00010101000001
312001011202020212
410110010111001
5122011310343
611103043505
71536062501
oct424042501
9161152225
1072369473
113793a290
12202a0595
1311cbb197
14987ba01
156547c18
hex4504541

72369473 has 8 divisors (see below), whose sum is σ = 80785056. Its totient is φ = 64260000.

The previous prime is 72369421. The next prime is 72369497. The reversal of 72369473 is 37496327.

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 72369473 - 216 = 72303937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72369473.

It is not an unprimeable number, because it can be changed into a prime (72369173) 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, 76028 + ... + 76973.

It is an arithmetic number, because the mean of its divisors is an integer number (10098132).

Almost surely, 272369473 is an apocalyptic number.

It is an amenable number.

72369473 is a deficient number, since it is larger than the sum of its proper divisors (8415583).

72369473 is a wasteful number, since it uses less digits than its factorization.

72369473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153055.

The product of its digits is 190512, while the sum is 41.

The square root of 72369473 is about 8507.0249206171. The cubic root of 72369473 is about 416.7271571555.

The spelling of 72369473 in words is "seventy-two million, three hundred sixty-nine thousand, four hundred seventy-three".

Divisors: 1 11 43 473 153001 1683011 6579043 72369473