1506722 has 16 divisors (see below), whose sum is σ = 2598912. Its totient is φ = 641760.

The previous prime is 1506721. The next prime is 1506731. The reversal of 1506722 is 2276051.

It is a super-2 number, since 2×1506722² = 4540422370568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1506721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3743 + ... + 4125.

It is an arithmetic number, because the mean of its divisors is an integer number (162432).

2^1506722 is an apocalyptic number.

1506722 is a deficient number, since it is larger than the sum of its proper divisors (1092190).

1506722 is a wasteful number, since it uses less digits than its factorization.

1506722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 1506722 is about 1227.4860488006. The cubic root of 1506722 is about 114.6421643308.

The spelling of 1506722 in words is "one million, five hundred six thousand, seven hundred twenty-two".