1472739409 has 8 divisors (see below), whose sum is σ = 1515835520. Its totient is φ = 1430254800.

The previous prime is 1472739377. The next prime is 1472739421. The reversal of 1472739409 is 9049372741.

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

It is not a de Polignac number, because 1472739409 - 2⁵ = 1472739377 is a prime.

It is a super-2 number, since 2×1472739409² = 4337922733643338562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1472739109) 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, 147987 + ... + 157624.

It is an arithmetic number, because the mean of its divisors is an integer number (189479440).

Almost surely, 2^1472739409 is an apocalyptic number.

It is an amenable number.

1472739409 is a deficient number, since it is larger than the sum of its proper divisors (43096111).

1472739409 is an equidigital number, since it uses as much as digits as its factorization.

1472739409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305751.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 1472739409 is about 38376.2870663643. The cubic root of 1472739409 is about 1137.7372293366.

The spelling of 1472739409 in words is "one billion, four hundred seventy-two million, seven hundred thirty-nine thousand, four hundred nine".