7215968408 has 32 divisors (see below), whose sum is σ = 14772836160. Its totient is φ = 3277118880.

The previous prime is 7215968387. The next prime is 7215968429. The reversal of 7215968408 is 8048695127.

It is an interprime number because it is at equal distance from previous prime (7215968387) and next prime (7215968429).

It is a congruent number.

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, 67091 + ... + 137597.

It is an arithmetic number, because the mean of its divisors is an integer number (461651130).

Almost surely, 2^7215968408 is an apocalyptic number.

It is an amenable number.

7215968408 is an abundant number, since it is smaller than the sum of its proper divisors (7556867752).

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

7215968408 is a wasteful number, since it uses less digits than its factorization.

7215968408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71687 (or 71683 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 50.

The square root of 7215968408 is about 84946.8563750301. The cubic root of 7215968408 is about 1932.4052455762.

The spelling of 7215968408 in words is "seven billion, two hundred fifteen million, nine hundred sixty-eight thousand, four hundred eight".