65934505 has 48 divisors (see below), whose sum is σ = 99926784. Its totient is φ = 40884480.

The previous prime is 65934497. The next prime is 65934509. The reversal of 65934505 is 50543956.

It is not a de Polignac number, because 65934505 - 2³ = 65934497 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65934509) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 419887 + ... + 420043.

It is an arithmetic number, because the mean of its divisors is an integer number (2081808).

Almost surely, 2^65934505 is an apocalyptic number.

65934505 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

65934505 is a deficient number, since it is larger than the sum of its proper divisors (33992279).

65934505 is a wasteful number, since it uses less digits than its factorization.

65934505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 65934505 is about 8120.0064655147. The cubic root of 65934505 is about 403.9902805393.

The spelling of 65934505 in words is "sixty-five million, nine hundred thirty-four thousand, five hundred five".