7464878660 has 24 divisors (see below), whose sum is σ = 15933235416. Its totient is φ = 2937000960.

The previous prime is 7464878609. The next prime is 7464878671. The reversal of 7464878660 is 668784647.

It can be written as a sum of positive squares in 4 ways, for example, as 159415876 + 7305462784 = 12626^2 + 85472^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7464878596 and 7464878605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3058157 + ... + 3060596.

It is an arithmetic number, because the mean of its divisors is an integer number (663884809).

Almost surely, 2^7464878660 is an apocalyptic number.

It is an amenable number.

7464878660 is an abundant number, since it is smaller than the sum of its proper divisors (8468356756).

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

7464878660 is a wasteful number, since it uses less digits than its factorization.

7464878660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6118823 (or 6118821 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 56.

The square root of 7464878660 is about 86399.5292811251. The cubic root of 7464878660 is about 1954.3735854552.

The spelling of 7464878660 in words is "seven billion, four hundred sixty-four million, eight hundred seventy-eight thousand, six hundred sixty".