77532325 has 24 divisors (see below), whose sum is σ = 109633608. Its totient is φ = 53882880.

The previous prime is 77532289. The next prime is 77532383. The reversal of 77532325 is 52323577.

It can be written as a sum of positive squares in 12 ways, for example, as 39967684 + 37564641 = 6322^2 + 6129^2 .

It is not a de Polignac number, because 77532325 - 2¹³ = 77524133 is a prime.

It is a super-2 number, since 2×77532325² = 12022522839811250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1492 + ... + 12541.

It is an arithmetic number, because the mean of its divisors is an integer number (4568067).

Almost surely, 2^77532325 is an apocalyptic number.

It is an amenable number.

77532325 is a deficient number, since it is larger than the sum of its proper divisors (32101283).

77532325 is a wasteful number, since it uses less digits than its factorization.

77532325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14073 (or 14068 counting only the distinct ones).

The product of its digits is 44100, while the sum is 34.

The square root of 77532325 is about 8805.2441760578. The cubic root of 77532325 is about 426.4102174598.

The spelling of 77532325 in words is "seventy-seven million, five hundred thirty-two thousand, three hundred twenty-five".