1372565648 has 20 divisors (see below), whose sum is σ = 2663661360. Its totient is φ = 685169184.

The previous prime is 1372565587. The next prime is 1372565683. The reversal of 1372565648 is 8465652731.

It is a super-3 number, since 3×1372565648³ (a number of 28 digits) contains 333 as substring.

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, 59390 + ... + 79197.

It is an arithmetic number, because the mean of its divisors is an integer number (133183068).

Almost surely, 2^1372565648 is an apocalyptic number.

It is an amenable number.

1372565648 is a deficient number, since it is larger than the sum of its proper divisors (1291095712).

1372565648 is a wasteful number, since it uses less digits than its factorization.

1372565648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139214 (or 139208 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 47.

The square root of 1372565648 is about 37048.1530983665. The cubic root of 1372565648 is about 1111.3334212182. Note that the first 3 decimals are identical.

The spelling of 1372565648 in words is "one billion, three hundred seventy-two million, five hundred sixty-five thousand, six hundred forty-eight".