75472946830 has 16 divisors (see below), whose sum is σ = 139010637744. Its totient is φ = 29487104640.

The previous prime is 75472946779. The next prime is 75472946839. The reversal of 75472946830 is 3864927457.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75472946839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87758811 + ... + 87759670.

It is an arithmetic number, because the mean of its divisors is an integer number (8688164859).

Almost surely, 2^75472946830 is an apocalyptic number.

75472946830 is a deficient number, since it is larger than the sum of its proper divisors (63537690914).

75472946830 is a wasteful number, since it uses less digits than its factorization.

75472946830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175518531.

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 75472946830 in words is "seventy-five billion, four hundred seventy-two million, nine hundred forty-six thousand, eight hundred thirty".