1303741730 has 16 divisors (see below), whose sum is σ = 2484778680. Its totient is φ = 490820352.

The previous prime is 1303741723. The next prime is 1303741757. The reversal of 1303741730 is 371473031.

It can be written as a sum of positive squares in 4 ways, for example, as 804800161 + 498941569 = 28369^2 + 22337^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1303741693 and 1303741702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3834365 + ... + 3834704.

Almost surely, 2^1303741730 is an apocalyptic number.

1303741730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1303741730 is a deficient number, since it is larger than the sum of its proper divisors (1181036950).

1303741730 is a wasteful number, since it uses less digits than its factorization.

1303741730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7669093.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 1303741730 is about 36107.3639303674. The cubic root of 1303741730 is about 1092.4389819772.

The spelling of 1303741730 in words is "one billion, three hundred three million, seven hundred forty-one thousand, seven hundred thirty".