75297150 has 72 divisors (see below), whose sum is σ = 203837400. Its totient is φ = 19926720.

The previous prime is 75297139. The next prime is 75297151. The reversal of 75297150 is 5179257.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75297151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 66489 + ... + 67611.

It is an arithmetic number, because the mean of its divisors is an integer number (2831075).

Almost surely, 2^75297150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75297150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101918700).

75297150 is an abundant number, since it is smaller than the sum of its proper divisors (128540250).

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

75297150 is a wasteful number, since it uses less digits than its factorization.

75297150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290 (or 1282 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 75297150 is about 8677.3930416917. The cubic root of 75297150 is about 422.2725454280.

The spelling of 75297150 in words is "seventy-five million, two hundred ninety-seven thousand, one hundred fifty".