65853774 has 48 divisors (see below), whose sum is σ = 163662720. Its totient is φ = 18746640.

The previous prime is 65853763. The next prime is 65853779. The reversal of 65853774 is 47735856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65853779) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40917 + ... + 42495.

It is an arithmetic number, because the mean of its divisors is an integer number (3409640).

Almost surely, 2^65853774 is an apocalyptic number.

65853774 is an abundant number, since it is smaller than the sum of its proper divisors (97808946).

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

65853774 is a wasteful number, since it uses less digits than its factorization.

65853774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925 (or 1922 counting only the distinct ones).

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

The square root of 65853774 is about 8115.0338261772. The cubic root of 65853774 is about 403.8253296808.

The spelling of 65853774 in words is "sixty-five million, eight hundred fifty-three thousand, seven hundred seventy-four".