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72954743 is a prime number
BaseRepresentation
bin1000101100100…
…11001101110111
312002021111002112
410112103031313
5122134022433
611123401235
71544051021
oct426231567
9162244075
1072954743
11381a9a84
122052321b
13121646b4
149991011
156611348
hex4593377

72954743 has 2 divisors, whose sum is σ = 72954744. Its totient is φ = 72954742.

The previous prime is 72954733. The next prime is 72954751. The reversal of 72954743 is 34745927.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-72954743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72954743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72954733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36477371 + 36477372.

It is an arithmetic number, because the mean of its divisors is an integer number (36477372).

Almost surely, 272954743 is an apocalyptic number.

72954743 is a deficient number, since it is larger than the sum of its proper divisors (1).

72954743 is an equidigital number, since it uses as much as digits as its factorization.

72954743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 41.

The square root of 72954743 is about 8541.3548691060. The cubic root of 72954743 is about 417.8475344990.

The spelling of 72954743 in words is "seventy-two million, nine hundred fifty-four thousand, seven hundred forty-three".