3732690 has 64 divisors (see below), whose sum is σ = 10233216. Its totient is φ = 863232.

The previous prime is 3732661. The next prime is 3732691. The reversal of 3732690 is 962373.

It is a happy number.

It is a super-2 number, since 2×3732690² = 27865949272200, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (3732691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6349 + ... + 6911.

It is an arithmetic number, because the mean of its divisors is an integer number (159894).

Almost surely, 2^3732690 is an apocalyptic number.

3732690 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 3732690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5116608).

3732690 is an abundant number, since it is smaller than the sum of its proper divisors (6500526).

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

3732690 is a wasteful number, since it uses less digits than its factorization.

3732690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 3732690 is about 1932.0170806698. The cubic root of 3732690 is about 155.1222067795.

The spelling of 3732690 in words is "three million, seven hundred thirty-two thousand, six hundred ninety".