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72974359 is a prime number
BaseRepresentation
bin1000101100110…
…00000000010111
312002022111000001
410112120000113
5122140134414
611124032131
71544162143
oct426300027
9162274001
1072974359
1138212797
1220532647
13121705c3
149998223
156617074
hex4598017

72974359 has 2 divisors, whose sum is σ = 72974360. Its totient is φ = 72974358.

The previous prime is 72974357. The next prime is 72974399. The reversal of 72974359 is 95347927.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72974359 - 21 = 72974357 is a prime.

Together with 72974357, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72974357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36487179 + 36487180.

It is an arithmetic number, because the mean of its divisors is an integer number (36487180).

Almost surely, 272974359 is an apocalyptic number.

72974359 is a deficient number, since it is larger than the sum of its proper divisors (1).

72974359 is an equidigital number, since it uses as much as digits as its factorization.

72974359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 476280, while the sum is 46.

The square root of 72974359 is about 8542.5030875031. The cubic root of 72974359 is about 417.8849812885.

The spelling of 72974359 in words is "seventy-two million, nine hundred seventy-four thousand, three hundred fifty-nine".