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72258701 is a prime number
BaseRepresentation
bin1000100111010…
…01010010001101
312000222010022012
410103221102031
5121444234301
611100431005
71535121524
oct423512215
9160863265
1072258701
1137874039
1220248465
1311c7c938
14984d4bb
156524ebb
hex44e948d

72258701 has 2 divisors, whose sum is σ = 72258702. Its totient is φ = 72258700.

The previous prime is 72258689. The next prime is 72258713. The reversal of 72258701 is 10785227.

It is a balanced prime because it is at equal distance from previous prime (72258689) and next prime (72258713).

It can be written as a sum of positive squares in only one way, i.e., 51337225 + 20921476 = 7165^2 + 4574^2 .

It is a cyclic number.

It is not a de Polignac number, because 72258701 - 210 = 72257677 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72258731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36129350 + 36129351.

It is an arithmetic number, because the mean of its divisors is an integer number (36129351).

Almost surely, 272258701 is an apocalyptic number.

It is an amenable number.

72258701 is a deficient number, since it is larger than the sum of its proper divisors (1).

72258701 is an equidigital number, since it uses as much as digits as its factorization.

72258701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 72258701 is about 8500.5118081207. The cubic root of 72258701 is about 416.5144280807.

The spelling of 72258701 in words is "seventy-two million, two hundred fifty-eight thousand, seven hundred one".