76499069 has 2 divisors, whose sum is σ = 76499070. Its totient is φ = 76499068.

The previous prime is 76499047. The next prime is 76499083. The reversal of 76499069 is 96099467.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66227044 + 10272025 = 8138^2 + 3205^2 .

It is an emirp because it is prime and its reverse (96099467) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76499069 is a prime.

It is a super-2 number, since 2×76499069² = 11704215115733522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76499029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38249534 + 38249535.

It is an arithmetic number, because the mean of its divisors is an integer number (38249535).

Almost surely, 2^76499069 is an apocalyptic number.

It is an amenable number.

76499069 is a deficient number, since it is larger than the sum of its proper divisors (1).

76499069 is an equidigital number, since it uses as much as digits as its factorization.

76499069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 50.

The square root of 76499069 is about 8746.3746203784. The cubic root of 76499069 is about 424.5075153486.

The spelling of 76499069 in words is "seventy-six million, four hundred ninety-nine thousand, sixty-nine".