77441425 has 12 divisors (see below), whose sum is σ = 96787456. Its totient is φ = 61462800.

The previous prime is 77441417. The next prime is 77441461. The reversal of 77441425 is 52414477.

It is a happy number.

It is not a de Polignac number, because 77441425 - 2³ = 77441417 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 9021 + ... + 15370.

Almost surely, 2^77441425 is an apocalyptic number.

It is an amenable number.

77441425 is a deficient number, since it is larger than the sum of its proper divisors (19346031).

77441425 is a wasteful number, since it uses less digits than its factorization.

77441425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24528 (or 24523 counting only the distinct ones).

The product of its digits is 31360, while the sum is 34.

The square root of 77441425 is about 8800.0809655366. The cubic root of 77441425 is about 426.2435091589.

The spelling of 77441425 in words is "seventy-seven million, four hundred forty-one thousand, four hundred twenty-five".