490730070 has 64 divisors (see below), whose sum is σ = 1236363264. Its totient is φ = 124417920.

The previous prime is 490730063. The next prime is 490730077. The reversal of 490730070 is 70037094.

It is an interprime number because it is at equal distance from previous prime (490730063) and next prime (490730077).

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490730077) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 117315 + ... + 121425.

It is an arithmetic number, because the mean of its divisors is an integer number (19318176).

Almost surely, 2^490730070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490730070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (618181632).

490730070 is an abundant number, since it is smaller than the sum of its proper divisors (745633194).

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

490730070 is a wasteful number, since it uses less digits than its factorization.

490730070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4317.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 490730070 is about 22152.4280836210. The cubic root of 490730070 is about 788.7648647703.

The spelling of 490730070 in words is "four hundred ninety million, seven hundred thirty thousand, seventy".