670021050 has 96 divisors (see below), whose sum is σ = 1746352512. Its totient is φ = 169678080.

The previous prime is 670021043. The next prime is 670021061. The reversal of 670021050 is 50120076.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 541032 + ... + 542268.

It is an arithmetic number, because the mean of its divisors is an integer number (18191172).

Almost surely, 2^670021050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670021050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (873176256).

670021050 is an abundant number, since it is smaller than the sum of its proper divisors (1076331462).

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

670021050 is a wasteful number, since it uses less digits than its factorization.

670021050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432 (or 1427 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 670021050 is about 25884.7648241200. The cubic root of 670021050 is about 875.0431761008.

The spelling of 670021050 in words is "six hundred seventy million, twenty-one thousand, fifty".