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76468081 is a prime number
BaseRepresentation
bin1001000111011…
…00111101110001
312022212222111011
410203230331301
5124033434311
611330550521
71615653004
oct443547561
9168788434
1076468081
113a189668
1221738441
1312ac48b1
14a22753b
156aa7321
hex48ecf71

76468081 has 2 divisors, whose sum is σ = 76468082. Its totient is φ = 76468080.

The previous prime is 76468069. The next prime is 76468109. The reversal of 76468081 is 18086467.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49000000 + 27468081 = 7000^2 + 5241^2 .

It is a cyclic number.

It is not a de Polignac number, because 76468081 - 215 = 76435313 is a prime.

It is a super-2 number, since 2×764680812 = 11694734823645122, which contains 22 as substring.

It is equal to p4475299 and since 76468081 and 4475299 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (76468001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38234040 + 38234041.

It is an arithmetic number, because the mean of its divisors is an integer number (38234041).

Almost surely, 276468081 is an apocalyptic number.

It is an amenable number.

76468081 is a deficient number, since it is larger than the sum of its proper divisors (1).

76468081 is an equidigital number, since it uses as much as digits as its factorization.

76468081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 76468081 is about 8744.6029641145. The cubic root of 76468081 is about 424.4501882217.

The spelling of 76468081 in words is "seventy-six million, four hundred sixty-eight thousand, eighty-one".