65075538 has 16 divisors (see below), whose sum is σ = 141983136. Its totient is φ = 19719840.

The previous prime is 65075531. The next prime is 65075561. The reversal of 65075538 is 83557056.

It is a junction number, because it is equal to n+sod(n) for n = 65075496 and 65075505.

It is not an unprimeable number, because it can be changed into a prime (65075531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492931 + ... + 493062.

It is an arithmetic number, because the mean of its divisors is an integer number (8873946).

Almost surely, 2^65075538 is an apocalyptic number.

65075538 is an abundant number, since it is smaller than the sum of its proper divisors (76907598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65075538 is a wasteful number, since it uses less digits than its factorization.

65075538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986009.

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 65075538 is about 8066.9410559394. The cubic root of 65075538 is about 402.2282681696.

The spelling of 65075538 in words is "sixty-five million, seventy-five thousand, five hundred thirty-eight".