75996545 has 16 divisors (see below), whose sum is σ = 98149968. Its totient is φ = 56279040.

The previous prime is 75996527. The next prime is 75996551. The reversal of 75996545 is 54569957.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1364224 + 74632321 = 1168^2 + 8639^2 .

It is not a de Polignac number, because 75996545 - 2¹⁸ = 75734401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75996493 and 75996502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2144 + ... + 12513.

It is an arithmetic number, because the mean of its divisors is an integer number (6134373).

Almost surely, 2^75996545 is an apocalyptic number.

It is an amenable number.

75996545 is a deficient number, since it is larger than the sum of its proper divisors (22153423).

75996545 is a wasteful number, since it uses less digits than its factorization.

75996545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14740.

The product of its digits is 1701000, while the sum is 50.

The square root of 75996545 is about 8717.5997269891. The cubic root of 75996545 is about 423.5759395692.

The spelling of 75996545 in words is "seventy-five million, nine hundred ninety-six thousand, five hundred forty-five".