742370407780 has 48 divisors (see below), whose sum is σ = 1583041844160. Its totient is φ = 292369004928.

The previous prime is 742370407747. The next prime is 742370407783. The reversal of 742370407780 is 87704073247.

It is a super-2 number, since 2×742370407780² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (742370407783) 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, 2545726 + ... + 2822314.

It is an arithmetic number, because the mean of its divisors is an integer number (32980038420).

Almost surely, 2^742370407780 is an apocalyptic number.

It is an amenable number.

742370407780 is an abundant number, since it is smaller than the sum of its proper divisors (840671436380).

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

742370407780 is a wasteful number, since it uses less digits than its factorization.

742370407780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278668 (or 278666 counting only the distinct ones).

The product of its (nonzero) digits is 1843968, while the sum is 49.

The spelling of 742370407780 in words is "seven hundred forty-two billion, three hundred seventy million, four hundred seven thousand, seven hundred eighty".