1304739073 has 4 divisors (see below), whose sum is σ = 1423351728. Its totient is φ = 1186126420.

The previous prime is 1304739071. The next prime is 1304739089. The reversal of 1304739073 is 3709374031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1304739073 - 2¹ = 1304739071 is a prime.

It is a super-2 number, since 2×1304739073² = 3404688097225798658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304739071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59306311 + ... + 59306332.

It is an arithmetic number, because the mean of its divisors is an integer number (355837932).

Almost surely, 2^1304739073 is an apocalyptic number.

It is an amenable number.

1304739073 is a deficient number, since it is larger than the sum of its proper divisors (118612655).

1304739073 is a wasteful number, since it uses less digits than its factorization.

1304739073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118612654.

The product of its (nonzero) digits is 47628, while the sum is 37.

The square root of 1304739073 is about 36121.1720878490. The cubic root of 1304739073 is about 1092.7174774895.

The spelling of 1304739073 in words is "one billion, three hundred four million, seven hundred thirty-nine thousand, seventy-three".