75738289525 has 12 divisors (see below), whose sum is σ = 94008588100. Its totient is φ = 60530561280.

The previous prime is 75738289519. The next prime is 75738289547. The reversal of 75738289525 is 52598283757.

It can be written as a sum of positive squares in 6 ways, for example, as 19265995204 + 56472294321 = 138802^2 + 237639^2 .

It is not a de Polignac number, because 75738289525 - 2²¹ = 75736192373 is a prime.

It is a super-3 number, since 3×75738289525³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1476030 + ... + 1526479.

Almost surely, 2^75738289525 is an apocalyptic number.

It is an amenable number.

75738289525 is a deficient number, since it is larger than the sum of its proper divisors (18270298575).

75738289525 is a wasteful number, since it uses less digits than its factorization.

75738289525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003528 (or 3003523 counting only the distinct ones).

The product of its digits is 42336000, while the sum is 61.

The spelling of 75738289525 in words is "seventy-five billion, seven hundred thirty-eight million, two hundred eighty-nine thousand, five hundred twenty-five".