690670500 has 96 divisors (see below), whose sum is σ = 2166003840. Its totient is φ = 170006400.

The previous prime is 690670489. The next prime is 690670511. The reversal of 690670500 is 5076096.

It is an interprime number because it is at equal distance from previous prime (690670489) and next prime (690670511).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1791 + ... + 37209.

It is an arithmetic number, because the mean of its divisors is an integer number (22562540).

Almost surely, 2^690670500 is an apocalyptic number.

690670500 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 690670500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1083001920).

690670500 is an abundant number, since it is smaller than the sum of its proper divisors (1475333340).

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

690670500 is a wasteful number, since it uses less digits than its factorization.

690670500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35454 (or 35442 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 690670500 is about 26280.6107234973. The cubic root of 690670500 is about 883.9417271498.

The spelling of 690670500 in words is "six hundred ninety million, six hundred seventy thousand, five hundred".