75522965 has 24 divisors (see below), whose sum is σ = 105895512. Its totient is φ = 51555840.

The previous prime is 75522949. The next prime is 75522971. The reversal of 75522965 is 56922557.

It can be written as a sum of positive squares in 4 ways, for example, as 6599761 + 68923204 = 2569^2 + 8302^2 .

It is not a de Polignac number, because 75522965 - 2⁴ = 75522949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68297 + ... + 69393.

It is an arithmetic number, because the mean of its divisors is an integer number (4412313).

Almost surely, 2^75522965 is an apocalyptic number.

It is an amenable number.

75522965 is a deficient number, since it is larger than the sum of its proper divisors (30372547).

75522965 is a wasteful number, since it uses less digits than its factorization.

75522965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397 (or 1390 counting only the distinct ones).

The product of its digits is 189000, while the sum is 41.

The square root of 75522965 is about 8690.3949852697. The cubic root of 75522965 is about 422.6942537757.

The spelling of 75522965 in words is "seventy-five million, five hundred twenty-two thousand, nine hundred sixty-five".