65240075 has 24 divisors (see below), whose sum is σ = 85494528. Its totient is φ = 49285280.

The previous prime is 65240059. The next prime is 65240083. The reversal of 65240075 is 57004256.

It is not a de Polignac number, because 65240075 - 2⁴ = 65240059 is a prime.

It is a Duffinian 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, 47042 + ... + 48408.

It is an arithmetic number, because the mean of its divisors is an integer number (3562272).

Almost surely, 2^65240075 is an apocalyptic number.

65240075 is a deficient number, since it is larger than the sum of its proper divisors (20254453).

65240075 is a wasteful number, since it uses less digits than its factorization.

65240075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483 (or 1478 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 65240075 is about 8077.1328452614. The cubic root of 65240075 is about 402.5669808672.

The spelling of 65240075 in words is "sixty-five million, two hundred forty thousand, seventy-five".