7642309425 has 24 divisors (see below), whose sum is σ = 12640140384. Its totient is φ = 4074332160.

The previous prime is 7642309417. The next prime is 7642309439. The reversal of 7642309425 is 5249032467.

It is not a de Polignac number, because 7642309425 - 2³ = 7642309417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192049 + ... + 228401.

It is an arithmetic number, because the mean of its divisors is an integer number (526672516).

Almost surely, 2^7642309425 is an apocalyptic number.

7642309425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7642309425 is a deficient number, since it is larger than the sum of its proper divisors (4997830959).

7642309425 is a wasteful number, since it uses less digits than its factorization.

7642309425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39169 (or 39164 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 7642309425 is about 87420.3032767560. The cubic root of 7642309425 is about 1969.7368321530.

The spelling of 7642309425 in words is "seven billion, six hundred forty-two million, three hundred nine thousand, four hundred twenty-five".