1343730 has 32 divisors (see below), whose sum is σ = 3297024. Its totient is φ = 350336.

The previous prime is 1343723. The next prime is 1343743. The reversal of 1343730 is 373431.

It is a super-2 number, since 2×1343730² = 3611220625800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1343697 and 1343706.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 934 + ... + 1886.

It is an arithmetic number, because the mean of its divisors is an integer number (103032).

2^1343730 is an apocalyptic number.

1343730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1343730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1648512).

1343730 is an abundant number, since it is smaller than the sum of its proper divisors (1953294).

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

1343730 is a wasteful number, since it uses less digits than its factorization.

1343730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 1343730 is about 1159.1936852830. The cubic root of 1343730 is about 110.3495765849.

Subtracting from 1343730 its reverse (373431), we obtain a cube (970299 = 99³).

The spelling of 1343730 in words is "one million, three hundred forty-three thousand, seven hundred thirty".