75441724049 has 4 divisors (see below), whose sum is σ = 75443000640. Its totient is φ = 75440447460.

The previous prime is 75441723997. The next prime is 75441724073. The reversal of 75441724049 is 94042714457.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94042714457 = 89 ⋅1056659713.

It is a cyclic number.

It is not a de Polignac number, because 75441724049 - 2⁸ = 75441723793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75441723994 and 75441724012.

It is not an unprimeable number, because it can be changed into a prime (75441724079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545117 + ... + 669354.

It is an arithmetic number, because the mean of its divisors is an integer number (18860750160).

Almost surely, 2^75441724049 is an apocalyptic number.

It is an amenable number.

75441724049 is a deficient number, since it is larger than the sum of its proper divisors (1276591).

75441724049 is a wasteful number, since it uses less digits than its factorization.

75441724049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276590.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 75441724049 in words is "seventy-five billion, four hundred forty-one million, seven hundred twenty-four thousand, forty-nine".