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72627433 is a prime number
BaseRepresentation
bin1000101010000…
…11010011101001
312001122212002221
410111003103221
5122043034213
611112354041
71541215534
oct425032351
9161585087
1072627433
1137aa607a
12203a5921
131207b718
149907a1b
15659938d
hex45434e9

72627433 has 2 divisors, whose sum is σ = 72627434. Its totient is φ = 72627432.

The previous prime is 72627419. The next prime is 72627439. The reversal of 72627433 is 33472627.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50083929 + 22543504 = 7077^2 + 4748^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-72627433 is a prime.

It is not a weakly prime, because it can be changed into another prime (72627439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36313716 + 36313717.

It is an arithmetic number, because the mean of its divisors is an integer number (36313717).

Almost surely, 272627433 is an apocalyptic number.

It is an amenable number.

72627433 is a deficient number, since it is larger than the sum of its proper divisors (1).

72627433 is an equidigital number, since it uses as much as digits as its factorization.

72627433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 34.

The square root of 72627433 is about 8522.1730210082. The cubic root of 72627433 is about 417.2217094355.

The spelling of 72627433 in words is "seventy-two million, six hundred twenty-seven thousand, four hundred thirty-three".