747522222720 has 1024 divisors, whose sum is σ = 3125277388800. Its totient is φ = 147563347968.

The previous prime is 747522222709. The next prime is 747522222773. The reversal of 747522222720 is 27222225747.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 275532084 + ... + 275534796.

It is an arithmetic number, because the mean of its divisors is an integer number (3052028700).

Almost surely, 2^747522222720 is an apocalyptic number.

747522222720 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 747522222720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1562638694400).

747522222720 is an abundant number, since it is smaller than the sum of its proper divisors (2377755166080).

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

747522222720 is a wasteful number, since it uses less digits than its factorization.

747522222720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857 (or 2845 counting only the distinct ones).

The product of its (nonzero) digits is 439040, while the sum is 42.

The spelling of 747522222720 in words is "seven hundred forty-seven billion, five hundred twenty-two million, two hundred twenty-two thousand, seven hundred twenty".