7738250642 has 8 divisors (see below), whose sum is σ = 11608158576. Its totient is φ = 3868864452.

The previous prime is 7738250623. The next prime is 7738250647. The reversal of 7738250642 is 2460528377.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 7738250593 and 7738250602.

It is not an unprimeable number, because it can be changed into a prime (7738250647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90968 + ... + 154115.

It is an arithmetic number, because the mean of its divisors is an integer number (1451019822).

Almost surely, 2^7738250642 is an apocalyptic number.

7738250642 is a deficient number, since it is larger than the sum of its proper divisors (3869907934).

7738250642 is a wasteful number, since it uses less digits than its factorization.

7738250642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260872.

The product of its (nonzero) digits is 564480, while the sum is 44.

The square root of 7738250642 is about 87967.3271277467. The cubic root of 7738250642 is about 1977.9452412846.

The spelling of 7738250642 in words is "seven billion, seven hundred thirty-eight million, two hundred fifty thousand, six hundred forty-two".