64369950 has 96 divisors (see below), whose sum is σ = 167608320. Its totient is φ = 16329600.

The previous prime is 64369889. The next prime is 64369951. The reversal of 64369950 is 5996346.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64369951) 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, 506787 + ... + 506913.

It is an arithmetic number, because the mean of its divisors is an integer number (1745920).

Almost surely, 2^64369950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64369950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83804160).

64369950 is an abundant number, since it is smaller than the sum of its proper divisors (103238370).

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

64369950 is a wasteful number, since it uses less digits than its factorization.

64369950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 64369950 is about 8023.0885574073. The cubic root of 64369950 is about 400.7692488588.

The spelling of 64369950 in words is "sixty-four million, three hundred sixty-nine thousand, nine hundred fifty".