1304272479 has 8 divisors (see below), whose sum is σ = 1746246832. Its totient is φ = 865906560.

The previous prime is 1304272441. The next prime is 1304272481. The reversal of 1304272479 is 9742724031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1304272479 - 2²¹ = 1302175327 is a prime.

It is a super-2 number, since 2×1304272479² = 3402253398953610882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304272429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 901264 + ... + 902709.

It is an arithmetic number, because the mean of its divisors is an integer number (218280854).

Almost surely, 2^1304272479 is an apocalyptic number.

1304272479 is a deficient number, since it is larger than the sum of its proper divisors (441974353).

1304272479 is a wasteful number, since it uses less digits than its factorization.

1304272479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804217.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 1304272479 is about 36114.7127774817. The cubic root of 1304272479 is about 1092.5872046458.

The spelling of 1304272479 in words is "one billion, three hundred four million, two hundred seventy-two thousand, four hundred seventy-nine".