1690875000 has 280 divisors, whose sum is σ = 5955392520. Its totient is φ = 448200000.

The previous prime is 1690874993. The next prime is 1690875001. The reversal of 1690875000 is 5780961.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1690875001) by changing a digit.

It is a polite number, since it can be written in 69 ways as a sum of consecutive naturals, for example, 10124917 + ... + 10125083.

It is an arithmetic number, because the mean of its divisors is an integer number (21269259).

Almost surely, 2^1690875000 is an apocalyptic number.

1690875000 is a gapful number since it is divisible by the number (10) 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 1690875000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2977696260).

1690875000 is an abundant number, since it is smaller than the sum of its proper divisors (4264517520).

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

1690875000 is an frugal number, since it uses more digits than its factorization.

1690875000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 1690875000 is about 41120.2504856184. The cubic root of 1690875000 is about 1191.3439609556.

The spelling of 1690875000 in words is "one billion, six hundred ninety million, eight hundred seventy-five thousand".