7402722 has 16 divisors (see below), whose sum is σ = 15085440. Its totient is φ = 2420912.

The previous prime is 7402721. The next prime is 7402739. The reversal of 7402722 is 2272047.

It is a junction number, because it is equal to n+sod(n) for n = 7402692 and 7402701.

It is not an unprimeable number, because it can be changed into a prime (7402721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11322 + ... + 11957.

It is an arithmetic number, because the mean of its divisors is an integer number (942840).

Almost surely, 2^7402722 is an apocalyptic number.

7402722 is an abundant number, since it is smaller than the sum of its proper divisors (7682718).

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

7402722 is a wasteful number, since it uses less digits than its factorization.

7402722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23337.

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 7402722 is about 2720.7943692973. The cubic root of 7402722 is about 194.8934065689.

Adding to 7402722 its reverse (2272047), we get a palindrome (9674769).

The spelling of 7402722 in words is "seven million, four hundred two thousand, seven hundred twenty-two".