7825634 has 4 divisors (see below), whose sum is σ = 11738454. Its totient is φ = 3912816.

The previous prime is 7825633. The next prime is 7825637. The reversal of 7825634 is 4365287.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7006609 + 819025 = 2647^2 + 905^2 .

It is a super-2 number, since 2×7825634² = 122481095003912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7825594 and 7825603.

It is not an unprimeable number, because it can be changed into a prime (7825633) by changing a digit.

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 as a sum of consecutive naturals, namely, 1956407 + ... + 1956410.

Almost surely, 2^7825634 is an apocalyptic number.

7825634 is a deficient number, since it is larger than the sum of its proper divisors (3912820).

7825634 is a wasteful number, since it uses less digits than its factorization.

7825634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912819.

The product of its digits is 40320, while the sum is 35.

The square root of 7825634 is about 2797.4334665904. The cubic root of 7825634 is about 198.5362635116.

The spelling of 7825634 in words is "seven million, eight hundred twenty-five thousand, six hundred thirty-four".