1375704 has 80 divisors (see below), whose sum is σ = 4225320. Its totient is φ = 414720.

The previous prime is 1375681. The next prime is 1375709. The reversal of 1375704 is 4075731.

It is a super-2 number, since 2×1375704² = 3785122991232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7032 + ... + 7224.

2^1375704 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 1375704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2112660).

1375704 is an abundant number, since it is smaller than the sum of its proper divisors (2849616).

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

1375704 is a wasteful number, since it uses less digits than its factorization.

1375704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 1375704 is about 1172.9040881504. The cubic root of 1375704 is about 111.2179792539.

Adding to 1375704 its sum of digits (27), we get a palindrome (1375731).

The spelling of 1375704 in words is "one million, three hundred seventy-five thousand, seven hundred four".