7420067040 has 96 divisors (see below), whose sum is σ = 23476521600. Its totient is φ = 1969938944.

The previous prime is 7420067033. The next prime is 7420067063. The reversal of 7420067040 is 407600247.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 7420066989 and 7420067007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74911 + ... + 143009.

It is an arithmetic number, because the mean of its divisors is an integer number (244547100).

Almost surely, 2^7420067040 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 7420067040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11738260800).

7420067040 is an abundant number, since it is smaller than the sum of its proper divisors (16056454560).

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

7420067040 is a wasteful number, since it uses less digits than its factorization.

7420067040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68344 (or 68336 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 7420067040 is about 86139.8110051328. The cubic root of 7420067040 is about 1950.4550364773.

Adding to 7420067040 its reverse (407600247), we get a palindrome (7827667287).

The spelling of 7420067040 in words is "seven billion, four hundred twenty million, sixty-seven thousand, forty".