7193993040 has 120 divisors (see below), whose sum is σ = 26018308680. Its totient is φ = 1770826752.

The previous prime is 7193993039. The next prime is 7193993041. The reversal of 7193993040 is 403993917.

It is an interprime number because it is at equal distance from previous prime (7193993039) and next prime (7193993041).

It can be written as a sum of positive squares in 4 ways, for example, as 942244416 + 6251748624 = 30696^2 + 79068^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7193993041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 374935 + ... + 393654.

It is an arithmetic number, because the mean of its divisors is an integer number (216819239).

Almost surely, 2^7193993040 is an apocalyptic number.

It is an amenable number.

7193993040 is an abundant number, since it is smaller than the sum of its proper divisors (18824315640).

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

7193993040 is a wasteful number, since it uses less digits than its factorization.

7193993040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768621 (or 768612 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The square root of 7193993040 is about 84817.4100052578. The cubic root of 7193993040 is about 1930.4416146051.

The spelling of 7193993040 in words is "seven billion, one hundred ninety-three million, nine hundred ninety-three thousand, forty".