1372728650 has 24 divisors (see below), whose sum is σ = 2554253184. Its totient is φ = 548881200.

The previous prime is 1372728647. The next prime is 1372728677. The reversal of 1372728650 is 568272731.

It is a junction number, because it is equal to n+sod(n) for n = 1372728598 and 1372728607.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238709 + ... + 244391.

It is an arithmetic number, because the mean of its divisors is an integer number (106427216).

Almost surely, 2^1372728650 is an apocalyptic number.

1372728650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1372728650 is a deficient number, since it is larger than the sum of its proper divisors (1181524534).

1372728650 is a wasteful number, since it uses less digits than its factorization.

1372728650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10526 (or 10521 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 1372728650 is about 37050.3528998038. The cubic root of 1372728650 is about 1111.3774124109.

The spelling of 1372728650 in words is "one billion, three hundred seventy-two million, seven hundred twenty-eight thousand, six hundred fifty".