650589072 has 120 divisors (see below), whose sum is σ = 1968240096. Its totient is φ = 184633344.

The previous prime is 650589061. The next prime is 650589077. The reversal of 650589072 is 270985056.

It is a super-2 number, since 2×650589072² = 846532281211642368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (650589077) 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, 382528 + ... + 384224.

Almost surely, 2^650589072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650589072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (984120048).

650589072 is an abundant number, since it is smaller than the sum of its proper divisors (1317651024).

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

650589072 is a wasteful number, since it uses less digits than its factorization.

650589072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885 (or 1872 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 650589072 is about 25506.6476041051. The cubic root of 650589072 is about 866.5007069466.

The spelling of 650589072 in words is "six hundred fifty million, five hundred eighty-nine thousand, seventy-two".