75147628 has 6 divisors (see below), whose sum is σ = 131508356. Its totient is φ = 37573812.

The previous prime is 75147623. The next prime is 75147637. The reversal of 75147628 is 82674157.

It is not an unprimeable number, because it can be changed into a prime (75147623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9393450 + ... + 9393457.

Almost surely, 2^75147628 is an apocalyptic number.

It is an amenable number.

75147628 is a deficient number, since it is larger than the sum of its proper divisors (56360728).

75147628 is a wasteful number, since it uses less digits than its factorization.

75147628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18786911 (or 18786909 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 75147628 is about 8668.7731542589. The cubic root of 75147628 is about 421.9928496950.

The spelling of 75147628 in words is "seventy-five million, one hundred forty-seven thousand, six hundred twenty-eight".