79528049 has 2 divisors, whose sum is σ = 79528050. Its totient is φ = 79528048.

The previous prime is 79528019. The next prime is 79528073. The reversal of 79528049 is 94082597.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78446449 + 1081600 = 8857^2 + 1040^2 .

It is a cyclic number.

It is not a de Polignac number, because 79528049 - 2²⁴ = 62750833 is a prime.

It is not a weakly prime, because it can be changed into another prime (79528019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39764024 + 39764025.

It is an arithmetic number, because the mean of its divisors is an integer number (39764025).

Almost surely, 2^79528049 is an apocalyptic number.

It is an amenable number.

79528049 is a deficient number, since it is larger than the sum of its proper divisors (1).

79528049 is an equidigital number, since it uses as much as digits as its factorization.

79528049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 79528049 is about 8917.8500211654. The cubic root of 79528049 is about 430.0379432896.

The spelling of 79528049 in words is "seventy-nine million, five hundred twenty-eight thousand, forty-nine".