75023604149 has 32 divisors (see below), whose sum is σ = 84832634880. Its totient is φ = 65887257600.

The previous prime is 75023604143. The next prime is 75023604167. The reversal of 75023604149 is 94140632057.

It is a cyclic number.

It is not a de Polignac number, because 75023604149 - 2⁴ = 75023604133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75023604143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5413469 + ... + 5427309.

It is an arithmetic number, because the mean of its divisors is an integer number (2651019840).

Almost surely, 2^75023604149 is an apocalyptic number.

It is an amenable number.

75023604149 is a deficient number, since it is larger than the sum of its proper divisors (9809030731).

75023604149 is a wasteful number, since it uses less digits than its factorization.

75023604149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14141.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 75023604149 in words is "seventy-five billion, twenty-three million, six hundred four thousand, one hundred forty-nine".