742861056280 has 192 divisors, whose sum is σ = 2009098425600. Its totient is φ = 246227143680.

The previous prime is 742861056271. The next prime is 742861056361. The reversal of 742861056280 is 82650168247.

742861056280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64946722 + ... + 64958158.

It is an arithmetic number, because the mean of its divisors is an integer number (10464054300).

Almost surely, 2^742861056280 is an apocalyptic number.

742861056280 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 742861056280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1004549212800).

742861056280 is an abundant number, since it is smaller than the sum of its proper divisors (1266237369320).

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

742861056280 is a wasteful number, since it uses less digits than its factorization.

742861056280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12562 (or 12551 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 742861056280 in words is "seven hundred forty-two billion, eight hundred sixty-one million, fifty-six thousand, two hundred eighty".