7420867408 has 20 divisors (see below), whose sum is σ = 14766524500. Its totient is φ = 3610151424.

The previous prime is 7420867369. The next prime is 7420867417. The reversal of 7420867408 is 8047680247.

It can be written as a sum of positive squares in 2 ways, for example, as 2960230464 + 4460636944 = 54408^2 + 66788^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6267033 + ... + 6268216.

It is an arithmetic number, because the mean of its divisors is an integer number (738326225).

Almost surely, 2^7420867408 is an apocalyptic number.

It is an amenable number.

7420867408 is a deficient number, since it is larger than the sum of its proper divisors (7345657092).

7420867408 is a wasteful number, since it uses less digits than its factorization.

7420867408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12535294 (or 12535288 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 46.

The square root of 7420867408 is about 86144.4566295476. The cubic root of 7420867408 is about 1950.5251627832.

The spelling of 7420867408 in words is "seven billion, four hundred twenty million, eight hundred sixty-seven thousand, four hundred eight".