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72955037 is a prime number
BaseRepresentation
bin1000101100100…
…11010010011101
312002021111111102
410112103102131
5122134030122
611123402445
71544051621
oct426232235
9162244442
1072955037
11381aa221
1220523425
131216487c
149991181
156611492
hex459349d

72955037 has 2 divisors, whose sum is σ = 72955038. Its totient is φ = 72955036.

The previous prime is 72955013. The next prime is 72955063. The reversal of 72955037 is 73055927.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72012196 + 942841 = 8486^2 + 971^2 .

It is a cyclic number.

It is not a de Polignac number, because 72955037 - 226 = 5846173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72955067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36477518 + 36477519.

It is an arithmetic number, because the mean of its divisors is an integer number (36477519).

Almost surely, 272955037 is an apocalyptic number.

It is an amenable number.

72955037 is a deficient number, since it is larger than the sum of its proper divisors (1).

72955037 is an equidigital number, since it uses as much as digits as its factorization.

72955037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 66150, while the sum is 38.

The square root of 72955037 is about 8541.3720794729. The cubic root of 72955037 is about 417.8480957922.

The spelling of 72955037 in words is "seventy-two million, nine hundred fifty-five thousand, thirty-seven".