748574521081 has 8 divisors (see below), whose sum is σ = 768818906240. Its totient is φ = 728330801328.

The previous prime is 748574521049. The next prime is 748574521111. The reversal of 748574521081 is 180125475847.

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

It is a cyclic number.

It is not a de Polignac number, because 748574521081 - 2⁵ = 748574521049 is a prime.

It is a super-2 number, since 2×748574521081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (748574521381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2837680 + ... + 3090238.

It is an arithmetic number, because the mean of its divisors is an integer number (96102363280).

Almost surely, 2^748574521081 is an apocalyptic number.

It is an amenable number.

748574521081 is a deficient number, since it is larger than the sum of its proper divisors (20244385159).

748574521081 is a wasteful number, since it uses less digits than its factorization.

748574521081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332703.

The product of its (nonzero) digits is 2508800, while the sum is 52.

The spelling of 748574521081 in words is "seven hundred forty-eight billion, five hundred seventy-four million, five hundred twenty-one thousand, eighty-one".