1303772736 has 56 divisors (see below), whose sum is σ = 3942364480. Its totient is φ = 372506112.

The previous prime is 1303772731. The next prime is 1303772747. The reversal of 1303772736 is 6372773031.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 1303772694 and 1303772703.

It is not an unprimeable number, because it can be changed into a prime (1303772731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483691 + ... + 486378.

Almost surely, 2^1303772736 is an apocalyptic number.

1303772736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1303772736 is an abundant number, since it is smaller than the sum of its proper divisors (2638591744).

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

1303772736 is an equidigital number, since it uses as much as digits as its factorization.

1303772736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970091 (or 970081 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 39.

The square root of 1303772736 is about 36107.7932862145. The cubic root of 1303772736 is about 1092.4476421522.

The spelling of 1303772736 in words is "one billion, three hundred three million, seven hundred seventy-two thousand, seven hundred thirty-six".