747355132120 has 32 divisors (see below), whose sum is σ = 1681577493120. Its totient is φ = 298936995840.

The previous prime is 747355132093. The next prime is 747355132133. The reversal of 747355132120 is 21231553747.

It is a happy number.

It is a super-2 number, since 2×747355132120² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3030169 + ... + 3267511.

It is an arithmetic number, because the mean of its divisors is an integer number (52549296660).

Almost surely, 2^747355132120 is an apocalyptic number.

It is an amenable number.

747355132120 is an abundant number, since it is smaller than the sum of its proper divisors (934222361000).

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

747355132120 is a wasteful number, since it uses less digits than its factorization.

747355132120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316075 (or 316071 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 40.

Adding to 747355132120 its reverse (21231553747), we get a palindrome (768586685867).

The spelling of 747355132120 in words is "seven hundred forty-seven billion, three hundred fifty-five million, one hundred thirty-two thousand, one hundred twenty".