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72672465 = 354844831
BaseRepresentation
bin1000101010011…
…10010011010001
312001202010212210
410111032103101
5122101004330
611113342333
71541464035
oct425162321
9161663783
1072672465
1138026998
12204079a9
1312096078
14991a1c5
1565a78b0
hex454e4d1

72672465 has 8 divisors (see below), whose sum is σ = 116275968. Its totient is φ = 38758640.

The previous prime is 72672407. The next prime is 72672469. The reversal of 72672465 is 56427627.

It is a happy number.

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

It is not a de Polignac number, because 72672465 - 28 = 72672209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72672469) 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, 2422401 + ... + 2422430.

It is an arithmetic number, because the mean of its divisors is an integer number (14534496).

Almost surely, 272672465 is an apocalyptic number.

It is an amenable number.

72672465 is a deficient number, since it is larger than the sum of its proper divisors (43603503).

72672465 is a wasteful number, since it uses less digits than its factorization.

72672465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4844839.

The product of its digits is 141120, while the sum is 39.

The square root of 72672465 is about 8524.8146607419. The cubic root of 72672465 is about 417.3079231677.

It can be divided in two parts, 72672 and 465, that added together give a palindrome (73137).

The spelling of 72672465 in words is "seventy-two million, six hundred seventy-two thousand, four hundred sixty-five".

Divisors: 1 3 5 15 4844831 14534493 24224155 72672465