75775650 has 48 divisors (see below), whose sum is σ = 189029568. Its totient is φ = 20088000.

The previous prime is 75775649. The next prime is 75775663. The reversal of 75775650 is 5657757.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25755 + ... + 28545.

It is an arithmetic number, because the mean of its divisors is an integer number (3938116).

Almost surely, 2^75775650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75775650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94514784).

75775650 is an abundant number, since it is smaller than the sum of its proper divisors (113253918).

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

75775650 is a wasteful number, since it uses less digits than its factorization.

75775650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987 (or 2982 counting only the distinct ones).

The product of its (nonzero) digits is 257250, while the sum is 42.

The square root of 75775650 is about 8704.9210220426. The cubic root of 75775650 is about 423.1651462977.

The spelling of 75775650 in words is "seventy-five million, seven hundred seventy-five thousand, six hundred fifty".