747280917122 has 8 divisors (see below), whose sum is σ = 1125611424000. Its totient is φ = 372077109124.

The previous prime is 747280917101. The next prime is 747280917127. The reversal of 747280917122 is 221719082747.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (747280917127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 781674122 + ... + 781675077.

It is an arithmetic number, because the mean of its divisors is an integer number (140701428000).

Almost surely, 2^747280917122 is an apocalyptic number.

747280917122 is a deficient number, since it is larger than the sum of its proper divisors (378330506878).

747280917122 is a wasteful number, since it uses less digits than its factorization.

747280917122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563349440.

The product of its (nonzero) digits is 790272, while the sum is 50.

Adding to 747280917122 its reverse (221719082747), we get a palindrome (968999999869).

The spelling of 747280917122 in words is "seven hundred forty-seven billion, two hundred eighty million, nine hundred seventeen thousand, one hundred twenty-two".