77632025 has 12 divisors (see below), whose sum is σ = 96374784. Its totient is φ = 62034000.

The previous prime is 77632021. The next prime is 77632033. The reversal of 77632025 is 52023677.

It is a happy number.

It is not a de Polignac number, because 77632025 - 2² = 77632021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77631982 and 77632000.

It is not an unprimeable number, because it can be changed into a prime (77632021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35720 + ... + 37830.

It is an arithmetic number, because the mean of its divisors is an integer number (8031232).

Almost surely, 2^77632025 is an apocalyptic number.

It is an amenable number.

77632025 is a deficient number, since it is larger than the sum of its proper divisors (18742759).

77632025 is a wasteful number, since it uses less digits than its factorization.

77632025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3592 (or 3587 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 77632025 is about 8810.9037561422. The cubic root of 77632025 is about 426.5929149732.

The spelling of 77632025 in words is "seventy-seven million, six hundred thirty-two thousand, twenty-five".