7326478764 has 72 divisors (see below), whose sum is σ = 20696130000. Its totient is φ = 2165990400.

The previous prime is 7326478703. The next prime is 7326478801. The reversal of 7326478764 is 4678746237.

It is a self number, because there is not a number n which added to its sum of digits gives 7326478764.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209389 + ... + 241860.

It is an arithmetic number, because the mean of its divisors is an integer number (287446250).

Almost surely, 2^7326478764 is an apocalyptic number.

It is an amenable number.

7326478764 is an abundant number, since it is smaller than the sum of its proper divisors (13369651236).

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

7326478764 is a wasteful number, since it uses less digits than its factorization.

7326478764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451311 (or 451306 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 54.

The square root of 7326478764 is about 85594.8524386835. The cubic root of 7326478764 is about 1942.2200436322.

The spelling of 7326478764 in words is "seven billion, three hundred twenty-six million, four hundred seventy-eight thousand, seven hundred sixty-four".