65494242 has 48 divisors (see below), whose sum is σ = 157146912. Its totient is φ = 19546560.

The previous prime is 65494241. The next prime is 65494243. The reversal of 65494242 is 24249456.

It is an interprime number because it is at equal distance from previous prime (65494241) and next prime (65494243).

It is a junction number, because it is equal to n+sod(n) for n = 65494197 and 65494206.

It is not an unprimeable number, because it can be changed into a prime (65494241) 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, 10798 + ... + 15734.

It is an arithmetic number, because the mean of its divisors is an integer number (3273894).

Almost surely, 2^65494242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65494242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78573456).

65494242 is an abundant number, since it is smaller than the sum of its proper divisors (91652670).

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

65494242 is a wasteful number, since it uses less digits than its factorization.

65494242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5023 (or 5020 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 65494242 is about 8092.8512898731. The cubic root of 65494242 is about 403.0890866150.

The spelling of 65494242 in words is "sixty-five million, four hundred ninety-four thousand, two hundred forty-two".