65722350 has 48 divisors (see below), whose sum is σ = 164708208. Its totient is φ = 17341440.

The previous prime is 65722333. The next prime is 65722379. The reversal of 65722350 is 5322756.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12292 + ... + 16808.

It is an arithmetic number, because the mean of its divisors is an integer number (3431421).

Almost surely, 2^65722350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65722350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82354104).

65722350 is an abundant number, since it is smaller than the sum of its proper divisors (98985858).

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

65722350 is a wasteful number, since it uses less digits than its factorization.

65722350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4629 (or 4624 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 65722350 is about 8106.9322187866. The cubic root of 65722350 is about 403.5565134764.

The spelling of 65722350 in words is "sixty-five million, seven hundred twenty-two thousand, three hundred fifty".