65404746 has 120 divisors (see below), whose sum is σ = 171173376. Its totient is φ = 18506880.

The previous prime is 65404741. The next prime is 65404753. The reversal of 65404746 is 64740456.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 65404746.

It is not an unprimeable number, because it can be changed into a prime (65404741) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 514935 + ... + 515061.

Almost surely, 2^65404746 is an apocalyptic number.

65404746 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 65404746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85586688).

65404746 is an abundant number, since it is smaller than the sum of its proper divisors (105768630).

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

65404746 is a wasteful number, since it uses less digits than its factorization.

65404746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 65404746 is about 8087.3200752783. The cubic root of 65404746 is about 402.9053997033.

The spelling of 65404746 in words is "sixty-five million, four hundred four thousand, seven hundred forty-six".