7401135720 has 64 divisors (see below), whose sum is σ = 24221903040. Its totient is φ = 1794214400.

The previous prime is 7401135719. The next prime is 7401135737. The reversal of 7401135720 is 275311047.

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

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, 2802141 + ... + 2804780.

It is an arithmetic number, because the mean of its divisors is an integer number (378467235).

Almost surely, 2^7401135720 is an apocalyptic number.

It is an amenable number.

7401135720 is an abundant number, since it is smaller than the sum of its proper divisors (16820767320).

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

7401135720 is a wasteful number, since it uses less digits than its factorization.

7401135720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5606946 (or 5606942 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 7401135720 is about 86029.8536555770. The cubic root of 7401135720 is about 1948.7948477104.

Adding to 7401135720 its reverse (275311047), we get a palindrome (7676446767).

The spelling of 7401135720 in words is "seven billion, four hundred one million, one hundred thirty-five thousand, seven hundred twenty".