75449345630 has 16 divisors (see below), whose sum is σ = 135828161280. Its totient is φ = 30175440672.

The previous prime is 75449345557. The next prime is 75449345639. The reversal of 75449345630 is 3654394457.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75449345639) 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, 462974 + ... + 604353.

It is an arithmetic number, because the mean of its divisors is an integer number (8489260080).

Almost surely, 2^75449345630 is an apocalyptic number.

75449345630 is a deficient number, since it is larger than the sum of its proper divisors (60378815650).

75449345630 is a wasteful number, since it uses less digits than its factorization.

75449345630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074403.

The product of its (nonzero) digits is 5443200, while the sum is 50.

The spelling of 75449345630 in words is "seventy-five billion, four hundred forty-nine million, three hundred forty-five thousand, six hundred thirty".