30722464 has 12 divisors (see below), whose sum is σ = 60484914. Its totient is φ = 15361216.

The previous prime is 30722431. The next prime is 30722473. The reversal of 30722464 is 46422703.

It can be written as a sum of positive squares in only one way, i.e., 30338064 + 384400 = 5508^2 + 620^2 .

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 as a sum of consecutive naturals, namely, 480007 + ... + 480070.

Almost surely, 2^30722464 is an apocalyptic number.

It is an amenable number.

30722464 is a deficient number, since it is larger than the sum of its proper divisors (29762450).

30722464 is an equidigital number, since it uses as much as digits as its factorization.

30722464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960087 (or 960079 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 30722464 is about 5542.7848596170. The cubic root of 30722464 is about 313.1977845365.

The spelling of 30722464 in words is "thirty million, seven hundred twenty-two thousand, four hundred sixty-four".