7437648464 has 20 divisors (see below), whose sum is σ = 14875297920. Its totient is φ = 3598861920.

The previous prime is 7437648457. The next prime is 7437648481. The reversal of 7437648464 is 4648467347.

7437648464 is an admirable number.

It is a super-2 number, since 2×7437648464² (a number of 21 digits) contains 22 as substring.

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, 7497134 + ... + 7498125.

It is an arithmetic number, because the mean of its divisors is an integer number (743764896).

Almost surely, 2^7437648464 is an apocalyptic number.

It is an amenable number.

7437648464 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7437648464 is a wasteful number, since it uses less digits than its factorization.

7437648464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14995298 (or 14995292 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 53.

The square root of 7437648464 is about 86241.8023002766. The cubic root of 7437648464 is about 1951.9943185470.

The spelling of 7437648464 in words is "seven billion, four hundred thirty-seven million, six hundred forty-eight thousand, four hundred sixty-four".