3758724 has 42 divisors (see below), whose sum is σ = 9869790. Its totient is φ = 1251936.

The previous prime is 3758723. The next prime is 3758743. The reversal of 3758724 is 4278573.

It can be written as a sum of positive squares in only one way, i.e., 3572100 + 186624 = 1890^2 + 432^2 .

It is a super-2 number, since 2×3758724² = 28256012216352, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (3758723) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 2272 + ... + 3560.

It is an arithmetic number, because the mean of its divisors is an integer number (234995).

Almost surely, 2^3758724 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3758724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4934895).

3758724 is an abundant number, since it is smaller than the sum of its proper divisors (6111066).

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

3758724 is a wasteful number, since it uses less digits than its factorization.

3758724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311 (or 1294 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 3758724 is about 1938.7428916698. The cubic root of 3758724 is about 155.4820097535.

The spelling of 3758724 in words is "three million, seven hundred fifty-eight thousand, seven hundred twenty-four".