651332772 has 24 divisors (see below), whose sum is σ = 1688640800. Its totient is φ = 217110888.

The previous prime is 651332761. The next prime is 651332777. The reversal of 651332772 is 277233156.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (651332777) 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, 3015322 + ... + 3015537.

Almost surely, 2^651332772 is an apocalyptic number.

It is an amenable number.

651332772 is an abundant number, since it is smaller than the sum of its proper divisors (1037308028).

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

651332772 is a wasteful number, since it uses less digits than its factorization.

651332772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6030872 (or 6030864 counting only the distinct ones).

The product of its digits is 52920, while the sum is 36.

The square root of 651332772 is about 25521.2219926868. The cubic root of 651332772 is about 866.8307520351.

The spelling of 651332772 in words is "six hundred fifty-one million, three hundred thirty-two thousand, seven hundred seventy-two".