7350420 has 192 divisors, whose sum is σ = 26966016. Its totient is φ = 1451520.

The previous prime is 7350419. The next prime is 7350433. The reversal of 7350420 is 240537.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 170919 + ... + 170961.

It is an arithmetic number, because the mean of its divisors is an integer number (140448).

Almost surely, 2^7350420 is an apocalyptic number.

7350420 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 7350420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13483008).

7350420 is an abundant number, since it is smaller than the sum of its proper divisors (19615596).

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

7350420 is a wasteful number, since it uses less digits than its factorization.

7350420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 7350420 is about 2711.1658009056. The cubic root of 7350420 is about 194.4333318517.

Adding to 7350420 its reverse (240537), we get a palindrome (7590957).

The spelling of 7350420 in words is "seven million, three hundred fifty thousand, four hundred twenty".