75149252 has 12 divisors (see below), whose sum is σ = 132813996. Its totient is φ = 37202400.

The previous prime is 75149233. The next prime is 75149317. The reversal of 75149252 is 25294157.

It can be written as a sum of positive squares in 2 ways, for example, as 44302336 + 30846916 = 6656^2 + 5554^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92603 + ... + 93410.

It is an arithmetic number, because the mean of its divisors is an integer number (11067833).

Almost surely, 2^75149252 is an apocalyptic number.

It is an amenable number.

75149252 is a deficient number, since it is larger than the sum of its proper divisors (57664744).

75149252 is a wasteful number, since it uses less digits than its factorization.

75149252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186118 (or 186116 counting only the distinct ones).

The product of its digits is 25200, while the sum is 35.

The square root of 75149252 is about 8668.8668232936. The cubic root of 75149252 is about 421.9958895402.

The spelling of 75149252 in words is "seventy-five million, one hundred forty-nine thousand, two hundred fifty-two".