1477720052 has 12 divisors (see below), whose sum is σ = 2588764836. Its totient is φ = 738072960.

The previous prime is 1477720039. The next prime is 1477720061. The reversal of 1477720052 is 2500277741.

It can be written as a sum of positive squares in 2 ways, for example, as 417957136 + 1059762916 = 20444^2 + 32554^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1477719994 and 1477720021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192533 + ... + 200060.

It is an arithmetic number, because the mean of its divisors is an integer number (215730403).

Almost surely, 2^1477720052 is an apocalyptic number.

It is an amenable number.

1477720052 is a deficient number, since it is larger than the sum of its proper divisors (1111044784).

1477720052 is a wasteful number, since it uses less digits than its factorization.

1477720052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393538 (or 393536 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 35.

The square root of 1477720052 is about 38441.1244892758. The cubic root of 1477720052 is about 1139.0183536814.

Adding to 1477720052 its reverse (2500277741), we get a palindrome (3977997793).

The spelling of 1477720052 in words is "one billion, four hundred seventy-seven million, seven hundred twenty thousand, fifty-two".