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79074091 is a prime number
BaseRepresentation
bin1001011011010…
…01001100101011
312111210101021001
410231221030223
5130220332331
611502455431
71650055465
oct455511453
9174711231
1079074091
11406a9598
1222594577
13134c7b05
14a705135
156e1e561
hex4b6932b

79074091 has 2 divisors, whose sum is σ = 79074092. Its totient is φ = 79074090.

The previous prime is 79074059. The next prime is 79074113. The reversal of 79074091 is 19047097.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79074091 - 25 = 79074059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79074091.

It is not a weakly prime, because it can be changed into another prime (79074041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39537045 + 39537046.

It is an arithmetic number, because the mean of its divisors is an integer number (39537046).

Almost surely, 279074091 is an apocalyptic number.

79074091 is a deficient number, since it is larger than the sum of its proper divisors (1).

79074091 is an equidigital number, since it uses as much as digits as its factorization.

79074091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 79074091 is about 8892.3613849191. The cubic root of 79074091 is about 429.2181411515.

The spelling of 79074091 in words is "seventy-nine million, seventy-four thousand, ninety-one".