7347340 has 96 divisors (see below), whose sum is σ = 20772864. Its totient is φ = 2108160.

The previous prime is 7347313. The next prime is 7347359. The reversal of 7347340 is 437437.

7347340 = T₄₈₄ + T₄₈₅ + ... + T₅₃₉.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 7347299 and 7347308.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19837 + ... + 20203.

It is an arithmetic number, because the mean of its divisors is an integer number (216384).

Almost surely, 2^7347340 is an apocalyptic number.

7347340 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7347340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10386432).

7347340 is an abundant number, since it is smaller than the sum of its proper divisors (13425524).

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

7347340 is a wasteful number, since it uses less digits than its factorization.

7347340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 7347340 is about 2710.5977200610. The cubic root of 7347340 is about 194.4061706679.

Subtracting from 7347340 its reverse (437437), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 7347340 in words is "seven million, three hundred forty-seven thousand, three hundred forty".