75260993 has 4 divisors (see below), whose sum is σ = 75322500. Its totient is φ = 75199488.

The previous prime is 75260987. The next prime is 75261001. The reversal of 75260993 is 39906257.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39906257 = 3061 ⋅13037.

It can be written as a sum of positive squares in 2 ways, for example, as 46348864 + 28912129 = 6808^2 + 5377^2 .

It is a cyclic number.

It is not a de Polignac number, because 75260993 - 2¹⁶ = 75195457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75260993.

It is not an unprimeable number, because it can be changed into a prime (75266993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28880 + ... + 31377.

It is an arithmetic number, because the mean of its divisors is an integer number (18830625).

Almost surely, 2^75260993 is an apocalyptic number.

It is an amenable number.

75260993 is a deficient number, since it is larger than the sum of its proper divisors (61507).

75260993 is a wasteful number, since it uses less digits than its factorization.

75260993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61506.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 75260993 is about 8675.3093892956. The cubic root of 75260993 is about 422.2049441401.

The spelling of 75260993 in words is "seventy-five million, two hundred sixty thousand, nine hundred ninety-three".