7478449470 has 32 divisors (see below), whose sum is σ = 19942532640. Its totient is φ = 1994253120.

The previous prime is 7478449441. The next prime is 7478449477. The reversal of 7478449470 is 749448747.

It is a happy number.

7478449470 is a `hidden beast` number, since 7 + 4 + 7 + 84 + 494 + 70 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13848711 + ... + 13849250.

It is an arithmetic number, because the mean of its divisors is an integer number (623204145).

Almost surely, 2^7478449470 is an apocalyptic number.

7478449470 is an abundant number, since it is smaller than the sum of its proper divisors (12464083170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7478449470 is a wasteful number, since it uses less digits than its factorization.

7478449470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27697977 (or 27697971 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 54.

The square root of 7478449470 is about 86478.0288281365. The cubic root of 7478449470 is about 1955.5571892718.

The spelling of 7478449470 in words is "seven billion, four hundred seventy-eight million, four hundred forty-nine thousand, four hundred seventy".