75474769 has 2 divisors, whose sum is σ = 75474770. Its totient is φ = 75474768.

The previous prime is 75474757. The next prime is 75474797. The reversal of 75474769 is 96747457.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46444225 + 29030544 = 6815^2 + 5388^2 .

It is a cyclic number.

It is not a de Polignac number, because 75474769 - 2⁹ = 75474257 is a prime.

It is a super-2 number, since 2×75474769² = 11392881511206722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75474719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37737384 + 37737385.

It is an arithmetic number, because the mean of its divisors is an integer number (37737385).

Almost surely, 2^75474769 is an apocalyptic number.

It is an amenable number.

75474769 is a deficient number, since it is larger than the sum of its proper divisors (1).

75474769 is an equidigital number, since it uses as much as digits as its factorization.

75474769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1481760, while the sum is 49.

The square root of 75474769 is about 8687.6215962713. The cubic root of 75474769 is about 422.6043186265.

The spelling of 75474769 in words is "seventy-five million, four hundred seventy-four thousand, seven hundred sixty-nine".