75516849 has 12 divisors (see below), whose sum is σ = 114821200. Its totient is φ = 47694744.

The previous prime is 75516829. The next prime is 75516853. The reversal of 75516849 is 94861557.

It is not a de Polignac number, because 75516849 - 2⁵ = 75516817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75516829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220639 + ... + 220980.

Almost surely, 2^75516849 is an apocalyptic number.

It is an amenable number.

75516849 is a deficient number, since it is larger than the sum of its proper divisors (39304351).

75516849 is a wasteful number, since it uses less digits than its factorization.

75516849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441644 (or 441641 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 75516849 is about 8690.0430954052. The cubic root of 75516849 is about 422.6828432604.

It can be divided in two parts, 7551 and 6849, that added together give a square (14400 = 120²).

The spelling of 75516849 in words is "seventy-five million, five hundred sixteen thousand, eight hundred forty-nine".