670273590 has 128 divisors (see below), whose sum is σ = 1945700352. Its totient is φ = 144460800.

The previous prime is 670273579. The next prime is 670273601. The reversal of 670273590 is 95372076.

It is an interprime number because it is at equal distance from previous prime (670273579) and next prime (670273601).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 351640 + ... + 353540.

It is an arithmetic number, because the mean of its divisors is an integer number (15200784).

Almost surely, 2^670273590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670273590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (972850176).

670273590 is an abundant number, since it is smaller than the sum of its proper divisors (1275426762).

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

670273590 is a wasteful number, since it uses less digits than its factorization.

670273590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 670273590 is about 25889.6425236039. The cubic root of 670273590 is about 875.1531008291.

The spelling of 670273590 in words is "six hundred seventy million, two hundred seventy-three thousand, five hundred ninety".