7213724336 has 240 divisors, whose sum is σ = 18294641568. Its totient is φ = 2728857600.

The previous prime is 7213724327. The next prime is 7213724341. The reversal of 7213724336 is 6334273127.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 7213724336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25490051 + ... + 25490333.

Almost surely, 2^7213724336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7213724336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9147320784).

7213724336 is an abundant number, since it is smaller than the sum of its proper divisors (11080917232).

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

7213724336 is a wasteful number, since it uses less digits than its factorization.

7213724336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 407 counting only the distinct ones).

The product of its digits is 127008, while the sum is 38.

The square root of 7213724336 is about 84933.6466660887. The cubic root of 7213724336 is about 1932.2049072033.

The spelling of 7213724336 in words is "seven billion, two hundred thirteen million, seven hundred twenty-four thousand, three hundred thirty-six".