7478449471 has 8 divisors (see below), whose sum is σ = 7806743424. Its totient is φ = 7150417560.

The previous prime is 7478449441. The next prime is 7478449477. The reversal of 7478449471 is 1749448747.

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

It is not a de Polignac number, because 7478449471 - 2⁵ = 7478449439 is a prime.

It is a super-3 number, since 3×7478449471³ (a number of 31 digits) contains 333 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 (7478449477) 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, 6021 + ... + 122446.

It is an arithmetic number, because the mean of its divisors is an integer number (975842928).

Almost surely, 2^7478449471 is an apocalyptic number.

7478449471 is a deficient number, since it is larger than the sum of its proper divisors (328293953).

7478449471 is a wasteful number, since it uses less digits than its factorization.

7478449471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131021.

The product of its digits is 6322176, while the sum is 55.

The square root of 7478449471 is about 86478.0288339183. The cubic root of 7478449471 is about 1955.5571893590.

The spelling of 7478449471 in words is "seven billion, four hundred seventy-eight million, four hundred forty-nine thousand, four hundred seventy-one".