7349640 has 64 divisors (see below), whose sum is σ = 22377600. Its totient is φ = 1930752.

The previous prime is 7349621. The next prime is 7349647. The reversal of 7349640 is 469437.

It is not an unprimeable number, because it can be changed into a prime (7349647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8341 + ... + 9179.

It is an arithmetic number, because the mean of its divisors is an integer number (349650).

Almost surely, 2^7349640 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 7349640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11188800).

7349640 is an abundant number, since it is smaller than the sum of its proper divisors (15027960).

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

7349640 is a wasteful number, since it uses less digits than its factorization.

7349640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926 (or 922 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 7349640 is about 2711.0219475320. The cubic root of 7349640 is about 194.4264540876.

It can be divided in two parts, 73496 and 40, that added together give a triangular number (73536 = T₃₈₃).

The spelling of 7349640 in words is "seven million, three hundred forty-nine thousand, six hundred forty".