77352025 has 9 divisors (see below), whose sum is σ = 95971071. Its totient is φ = 61846440.

The previous prime is 77351999. The next prime is 77352029. The reversal of 77352025 is 52025377.

The square root of 77352025 is 8795.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 27846729 + 49505296 = 5277^2 + 7036^2 .

It is not a de Polignac number, because 77352025 - 2⁵ = 77351993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77352029) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 43096 + ... + 44854.

Almost surely, 2^77352025 is an apocalyptic number.

77352025 is the 8795-th square number.

77352025 is the 4398-th centered octagonal number.

It is an amenable number.

77352025 is a deficient number, since it is larger than the sum of its proper divisors (18619046).

77352025 is an frugal number, since it uses more digits than its factorization.

77352025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3528 (or 1764 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 31.

The cubic root of 77352025 is about 426.0794245291.

The spelling of 77352025 in words is "seventy-seven million, three hundred fifty-two thousand, twenty-five".