75526506 has 60 divisors (see below), whose sum is σ = 186067266. Its totient is φ = 22880880.

The previous prime is 75526489. The next prime is 75526511. The reversal of 75526506 is 60562557.

It can be written as a sum of positive squares in only one way, i.e., 41409225 + 34117281 = 6435^2 + 5841^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 17676 + ... + 21528.

Almost surely, 2^75526506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75526506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93033633).

75526506 is an abundant number, since it is smaller than the sum of its proper divisors (110540760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75526506 is a wasteful number, since it uses less digits than its factorization.

75526506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3889 (or 3869 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 75526506 is about 8690.5987135525. The cubic root of 75526506 is about 422.7008598765.

It can be divided in two parts, 755 and 26506, that added together give a triangular number (27261 = T₂₃₃).

The spelling of 75526506 in words is "seventy-five million, five hundred twenty-six thousand, five hundred six".