75074773 has 4 divisors (see below), whose sum is σ = 76195360. Its totient is φ = 73954188.

The previous prime is 75074759. The next prime is 75074789. The reversal of 75074773 is 37747057.

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: 37747057 = 31 ⋅1217647.

It is a cyclic number.

It is not a de Polignac number, because 75074773 - 2²¹ = 72977621 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 (75074473) 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, 560193 + ... + 560326.

It is an arithmetic number, because the mean of its divisors is an integer number (19048840).

Almost surely, 2^75074773 is an apocalyptic number.

It is an amenable number.

75074773 is a deficient number, since it is larger than the sum of its proper divisors (1120587).

75074773 is a wasteful number, since it uses less digits than its factorization.

75074773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120586.

The product of its (nonzero) digits is 144060, while the sum is 40.

The square root of 75074773 is about 8664.5699835595. The cubic root of 75074773 is about 421.8564327485.

The spelling of 75074773 in words is "seventy-five million, seventy-four thousand, seven hundred seventy-three".