75450771 has 42 divisors (see below), whose sum is σ = 124693812. Its totient is φ = 45256320.

The previous prime is 75450761. The next prime is 75450773. The reversal of 75450771 is 17705457.

It is not a de Polignac number, because 75450771 - 2¹⁰ = 75449747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75450773) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 777795 + ... + 777891.

Almost surely, 2^75450771 is an apocalyptic number.

75450771 is a deficient number, since it is larger than the sum of its proper divisors (49243041).

75450771 is an frugal number, since it uses more digits than its factorization.

75450771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 36.

The square root of 75450771 is about 8686.2403259408. The cubic root of 75450771 is about 422.5595233762.

The spelling of 75450771 in words is "seventy-five million, four hundred fifty thousand, seven hundred seventy-one".