75047552 has 16 divisors (see below), whose sum is σ = 149509050. Its totient is φ = 37523712.

The previous prime is 75047527. The next prime is 75047591. The reversal of 75047552 is 25574057.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 61089856 + 13957696 = 7816^2 + 3736^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×75047552² = 11264270122385408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 293027 + ... + 293282.

Almost surely, 2^75047552 is an apocalyptic number.

It is an amenable number.

75047552 is a deficient number, since it is larger than the sum of its proper divisors (74461498).

75047552 is an equidigital number, since it uses as much as digits as its factorization.

75047552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586323 (or 586311 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 75047552 is about 8662.9990188156. Note that the first 3 decimals coincide. The cubic root of 75047552 is about 421.8054402882.

The spelling of 75047552 in words is "seventy-five million, forty-seven thousand, five hundred fifty-two".