75420711 has 6 divisors (see below), whose sum is σ = 108941040. Its totient is φ = 50280468.

The previous prime is 75420691. The next prime is 75420713. The reversal of 75420711 is 11702457.

It is not a de Polignac number, because 75420711 - 2⁹ = 75420199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75420713) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4190031 + ... + 4190048.

It is an arithmetic number, because the mean of its divisors is an integer number (18156840).

Almost surely, 2^75420711 is an apocalyptic number.

75420711 is a deficient number, since it is larger than the sum of its proper divisors (33520329).

75420711 is a wasteful number, since it uses less digits than its factorization.

75420711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8380085 (or 8380082 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 75420711 is about 8684.5098307274. The cubic root of 75420711 is about 422.5033992467.

The spelling of 75420711 in words is "seventy-five million, four hundred twenty thousand, seven hundred eleven".