75775050 has 72 divisors (see below), whose sum is σ = 219259404. Its totient is φ = 18650880.

The previous prime is 75775039. The next prime is 75775061. The reversal of 75775050 is 5057757.

It is an interprime number because it is at equal distance from previous prime (75775039) and next prime (75775061).

It can be written as a sum of positive squares in 6 ways, for example, as 3337929 + 72437121 = 1827^2 + 8511^2 .

It is a junction number, because it is equal to n+sod(n) for n = 75774996 and 75775014.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 627 + ... + 12326.

Almost surely, 2^75775050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75775050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109629702).

75775050 is an abundant number, since it is smaller than the sum of its proper divisors (143484354).

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

75775050 is a wasteful number, since it uses less digits than its factorization.

75775050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12984 (or 12976 counting only the distinct ones).

The product of its (nonzero) digits is 42875, while the sum is 36.

The square root of 75775050 is about 8704.8865587094. The cubic root of 75775050 is about 423.1640294052.

The spelling of 75775050 in words is "seventy-five million, seven hundred seventy-five thousand, fifty".