7420356 has 48 divisors (see below), whose sum is σ = 19425280. Its totient is φ = 2449440.

The previous prime is 7420339. The next prime is 7420363. The reversal of 7420356 is 6530247.

It is a happy number.

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

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13446 + ... + 13986.

Almost surely, 2^7420356 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 7420356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9712640).

7420356 is an abundant number, since it is smaller than the sum of its proper divisors (12004924).

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

7420356 is a wasteful number, since it uses less digits than its factorization.

7420356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 7420356 is about 2724.0330394472. The cubic root of 7420356 is about 195.0480355034.

It can be divided in two parts, 7420 and 356, that added together give a 5-th power (7776 = 6⁵).

The spelling of 7420356 in words is "seven million, four hundred twenty thousand, three hundred fifty-six".