7320742100 has 54 divisors (see below), whose sum is σ = 18479657070. Its totient is φ = 2509967040.

The previous prime is 7320742067. The next prime is 7320742111. The reversal of 7320742100 is 12470237.

It can be written as a sum of positive squares in 3 ways, for example, as 1691841424 + 5628900676 = 41132^2 + 75026^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7320742100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 742115 + ... + 751914.

Almost surely, 2^7320742100 is an apocalyptic number.

7320742100 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7320742100 is an abundant number, since it is smaller than the sum of its proper divisors (11158914970).

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

7320742100 is a wasteful number, since it uses less digits than its factorization.

7320742100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494057 (or 1494043 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 7320742100 is about 85561.3353098232. The cubic root of 7320742100 is about 1941.7129890852.

The spelling of 7320742100 in words is "seven billion, three hundred twenty million, seven hundred forty-two thousand, one hundred".