75467428 has 6 divisors (see below), whose sum is σ = 132068006. Its totient is φ = 37733712.

The previous prime is 75467401. The next prime is 75467459. The reversal of 75467428 is 82476457.

It can be written as a sum of positive squares in only one way, i.e., 43454464 + 32012964 = 6592^2 + 5658^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9433425 + ... + 9433432.

Almost surely, 2^75467428 is an apocalyptic number.

It is an amenable number.

75467428 is a deficient number, since it is larger than the sum of its proper divisors (56600578).

75467428 is a wasteful number, since it uses less digits than its factorization.

75467428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18866861 (or 18866859 counting only the distinct ones).

The product of its digits is 376320, while the sum is 43.

The square root of 75467428 is about 8687.1990883138. The cubic root of 75467428 is about 422.5906167456.

The spelling of 75467428 in words is "seventy-five million, four hundred sixty-seven thousand, four hundred twenty-eight".