75669628 has 24 divisors (see below), whose sum is σ = 139880720. Its totient is φ = 35717760.

The previous prime is 75669617. The next prime is 75669631. The reversal of 75669628 is 82696657.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22198 + ... + 25378.

Almost surely, 2^75669628 is an apocalyptic number.

It is an amenable number.

75669628 is a deficient number, since it is larger than the sum of its proper divisors (64211092).

75669628 is a wasteful number, since it uses less digits than its factorization.

75669628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3517 (or 3515 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The square root of 75669628 is about 8698.8291166110. The cubic root of 75669628 is about 422.9676960802.

The spelling of 75669628 in words is "seventy-five million, six hundred sixty-nine thousand, six hundred twenty-eight".