742101720780 has 192 divisors, whose sum is σ = 2459200601088. Its totient is φ = 163694269440.

The previous prime is 742101720769. The next prime is 742101720791. The reversal of 742101720780 is 87027101247.

It is an interprime number because it is at equal distance from previous prime (742101720769) and next prime (742101720791).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1084599 + ... + 1631121.

It is an arithmetic number, because the mean of its divisors is an integer number (12808336464).

Almost surely, 2^742101720780 is an apocalyptic number.

742101720780 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 742101720780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1229600300544).

742101720780 is an abundant number, since it is smaller than the sum of its proper divisors (1717098880308).

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

742101720780 is a wasteful number, since it uses less digits than its factorization.

742101720780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546656 (or 546654 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 39.

The spelling of 742101720780 in words is "seven hundred forty-two billion, one hundred one million, seven hundred twenty thousand, seven hundred eighty".