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72694079 is a prime number
BaseRepresentation
bin1000101010100…
…11100100111111
312001210020112022
410111103210333
5122102202304
611114030355
71541614043
oct425234477
9161706468
1072694079
1138041157
12204183bb
13120a2b63
149924023
1565adebe
hex455393f

72694079 has 2 divisors, whose sum is σ = 72694080. Its totient is φ = 72694078.

The previous prime is 72694067. The next prime is 72694087. The reversal of 72694079 is 97049627.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72694079 - 224 = 55916863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72694009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36347039 + 36347040.

It is an arithmetic number, because the mean of its divisors is an integer number (36347040).

Almost surely, 272694079 is an apocalyptic number.

72694079 is a deficient number, since it is larger than the sum of its proper divisors (1).

72694079 is an equidigital number, since it uses as much as digits as its factorization.

72694079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 72694079 is about 8526.0822773417. The cubic root of 72694079 is about 417.3492905063.

The spelling of 72694079 in words is "seventy-two million, six hundred ninety-four thousand, seventy-nine".