3690750 has 128 divisors (see below), whose sum is σ = 11381760. Its totient is φ = 777600.

The previous prime is 3690737. The next prime is 3690763. The reversal of 3690750 is 570963.

3690750 = 106² + 107² + ... + 230².

It is an interprime number because it is at equal distance from previous prime (3690737) and next prime (3690763).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

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, 99732 + ... + 99768.

It is an arithmetic number, because the mean of its divisors is an integer number (88920).

Almost surely, 2^3690750 is an apocalyptic number.

3690750 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3690750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5690880).

3690750 is an abundant number, since it is smaller than the sum of its proper divisors (7691010).

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

3690750 is a wasteful number, since it uses less digits than its factorization.

3690750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 3690750 is about 1921.1324785137. The cubic root of 3690750 is about 154.5390397883.

The spelling of 3690750 in words is "three million, six hundred ninety thousand, seven hundred fifty".