7621842 has 16 divisors (see below), whose sum is σ = 15361632. Its totient is φ = 2520960.

The previous prime is 7621837. The next prime is 7621843. The reversal of 7621842 is 2481267.

It is not an unprimeable number, because it can be changed into a prime (7621843) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4063 + ... + 5634.

It is an arithmetic number, because the mean of its divisors is an integer number (960102).

Almost surely, 2^7621842 is an apocalyptic number.

7621842 is an abundant number, since it is smaller than the sum of its proper divisors (7739790).

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

7621842 is a wasteful number, since it uses less digits than its factorization.

7621842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9833.

The product of its digits is 5376, while the sum is 30.

The square root of 7621842 is about 2760.7683713054. The cubic root of 7621842 is about 196.7976828169.

The spelling of 7621842 in words is "seven million, six hundred twenty-one thousand, eight hundred forty-two".