4640722 has 4 divisors (see below), whose sum is σ = 6961086. Its totient is φ = 2320360.

The previous prime is 4640719. The next prime is 4640723. The reversal of 4640722 is 2270464.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3721041 + 919681 = 1929^2 + 959^2 .

It is not an unprimeable number, because it can be changed into a prime (4640723) 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 as a sum of consecutive naturals, namely, 1160179 + ... + 1160182.

Almost surely, 2^4640722 is an apocalyptic number.

4640722 is a deficient number, since it is larger than the sum of its proper divisors (2320364).

4640722 is a wasteful number, since it uses less digits than its factorization.

4640722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320363.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 4640722 is about 2154.2335063776. The cubic root of 4640722 is about 166.7996689452.

The spelling of 4640722 in words is "four million, six hundred forty thousand, seven hundred twenty-two".