6424120772 has 6 divisors (see below), whose sum is σ = 11242211358. Its totient is φ = 3212060384.

The previous prime is 6424120771. The next prime is 6424120817. The reversal of 6424120772 is 2770214246.

It can be written as a sum of positive squares in only one way, i.e., 3219881536 + 3204239236 = 56744^2 + 56606^2 .

It is not an unprimeable number, because it can be changed into a prime (6424120771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803015093 + ... + 803015100.

It is an arithmetic number, because the mean of its divisors is an integer number (1873701893).

Almost surely, 2^6424120772 is an apocalyptic number.

It is an amenable number.

6424120772 is a deficient number, since it is larger than the sum of its proper divisors (4818090586).

6424120772 is a wasteful number, since it uses less digits than its factorization.

6424120772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606030197 (or 1606030195 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 6424120772 is about 80150.6130481857. The cubic root of 6424120772 is about 1858.9650823432.

The spelling of 6424120772 in words is "six billion, four hundred twenty-four million, one hundred twenty thousand, seven hundred seventy-two".