7420117730142 has 32 divisors (see below), whose sum is σ = 16676652561408. Its totient is φ = 2183847358176.

The previous prime is 7420117730131. The next prime is 7420117730149. The reversal of 7420117730142 is 2410377110247.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 7420117730142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7420117730149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2068035478 + ... + 2068039065.

It is an arithmetic number, because the mean of its divisors is an integer number (521145392544).

Almost surely, 2^{7420117730142} is an apocalyptic number.

7420117730142 is an abundant number, since it is smaller than the sum of its proper divisors (9256534831266).

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

7420117730142 is a wasteful number, since it uses less digits than its factorization.

7420117730142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4136074584.

The product of its (nonzero) digits is 65856, while the sum is 39.

The spelling of 7420117730142 in words is "seven trillion, four hundred twenty billion, one hundred seventeen million, seven hundred thirty thousand, one hundred forty-two".