65374785 has 48 divisors (see below), whose sum is σ = 131324544. Its totient is φ = 29465856.

The previous prime is 65374783. The next prime is 65374789. The reversal of 65374785 is 58747356.

It is not a de Polignac number, because 65374785 - 2¹ = 65374783 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 65374785.

It is not an unprimeable number, because it can be changed into a prime (65374783) 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, 21574 + ... + 24416.

It is an arithmetic number, because the mean of its divisors is an integer number (2735928).

Almost surely, 2^65374785 is an apocalyptic number.

It is an amenable number.

65374785 is an abundant number, since it is smaller than the sum of its proper divisors (65949759).

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

65374785 is a wasteful number, since it uses less digits than its factorization.

65374785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934 (or 2931 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 65374785 is about 8085.4675189503. The cubic root of 65374785 is about 402.8438685294.

The spelling of 65374785 in words is "sixty-five million, three hundred seventy-four thousand, seven hundred eighty-five".