75045077 has 4 divisors (see below), whose sum is σ = 75086220. Its totient is φ = 75003936.

The previous prime is 75045073. The next prime is 75045101. The reversal of 75045077 is 77054057.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77054057 = 1091 ⋅70627.

It can be written as a sum of positive squares in 2 ways, for example, as 71808676 + 3236401 = 8474^2 + 1799^2 .

It is a cyclic number.

It is not a de Polignac number, because 75045077 - 2² = 75045073 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 (75045071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17702 + ... + 21527.

It is an arithmetic number, because the mean of its divisors is an integer number (18771555).

Almost surely, 2^75045077 is an apocalyptic number.

It is an amenable number.

75045077 is a deficient number, since it is larger than the sum of its proper divisors (41143).

75045077 is a wasteful number, since it uses less digits than its factorization.

75045077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41142.

The product of its (nonzero) digits is 34300, while the sum is 35.

The square root of 75045077 is about 8662.8561687240. The cubic root of 75045077 is about 421.8008033173.

The spelling of 75045077 in words is "seventy-five million, forty-five thousand, seventy-seven".