670169700 has 252 divisors, whose sum is σ = 2262706740. Its totient is φ = 172005120.

The previous prime is 670169629. The next prime is 670169737. The reversal of 670169700 is 7961076.

It can be written as a sum of positive squares in 6 ways, for example, as 103063104 + 567106596 = 10152^2 + 23814^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 2113942 + ... + 2114258.

It is an arithmetic number, because the mean of its divisors is an integer number (8978995).

Almost surely, 2^670169700 is an apocalyptic number.

670169700 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670169700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1131353370).

670169700 is an abundant number, since it is smaller than the sum of its proper divisors (1592537040).

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

670169700 is a wasteful number, since it uses less digits than its factorization.

670169700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 670169700 is about 25887.6360450312. The cubic root of 670169700 is about 875.1078832966.

The spelling of 670169700 in words is "six hundred seventy million, one hundred sixty-nine thousand, seven hundred".