75625019638 has 16 divisors (see below), whose sum is σ = 130124841120. Its totient is φ = 32290235136.

The previous prime is 75625019609. The next prime is 75625019651. The reversal of 75625019638 is 83691052657.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10036731 + ... + 10044262.

It is an arithmetic number, because the mean of its divisors is an integer number (8132802570).

Almost surely, 2^75625019638 is an apocalyptic number.

75625019638 is a deficient number, since it is larger than the sum of its proper divisors (54499821482).

75625019638 is a wasteful number, since it uses less digits than its factorization.

75625019638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20081271.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 75625019638 in words is "seventy-five billion, six hundred twenty-five million, nineteen thousand, six hundred thirty-eight".