75516628 has 12 divisors (see below), whose sum is σ = 144168192. Its totient is φ = 34325720.

The previous prime is 75516611. The next prime is 75516647. The reversal of 75516628 is 82661557.

It is a super-2 number, since 2×75516628² = 11405522208980768, which contains 22 as substring.

It is a congruent number.

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, 858100 + ... + 858187.

It is an arithmetic number, because the mean of its divisors is an integer number (12014016).

Almost surely, 2^75516628 is an apocalyptic number.

It is an amenable number.

75516628 is a deficient number, since it is larger than the sum of its proper divisors (68651564).

75516628 is a wasteful number, since it uses less digits than its factorization.

75516628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716302 (or 1716300 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 75516628 is about 8690.0303796937. The cubic root of 75516628 is about 422.6824309330.

Subtracting 75516628 from its reverse (82661557), we obtain a square (7144929 = 2673²).

The spelling of 75516628 in words is "seventy-five million, five hundred sixteen thousand, six hundred twenty-eight".