945552720 has 160 divisors (see below), whose sum is σ = 3368141568. Its totient is φ = 214953984.

The previous prime is 945552677. The next prime is 945552737. The reversal of 945552720 is 27255549.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 329532 + ... + 332388.

Almost surely, 2^945552720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 945552720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1684070784).

945552720 is an abundant number, since it is smaller than the sum of its proper divisors (2422588848).

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

945552720 is a wasteful number, since it uses less digits than its factorization.

945552720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077 (or 3071 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 945552720 is about 30749.8409751986. The cubic root of 945552720 is about 981.5111768021.

The spelling of 945552720 in words is "nine hundred forty-five million, five hundred fifty-two thousand, seven hundred twenty".