747140020045 has 4 divisors (see below), whose sum is σ = 896568024060. Its totient is φ = 597712016032.

The previous prime is 747140019991. The next prime is 747140020063. The reversal of 747140020045 is 540020041747.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540020041747 = 5867 ⋅92043641.

It can be written as a sum of positive squares in 2 ways, for example, as 314319452164 + 432820567881 = 560642^2 + 657891^2 .

It is a cyclic number.

It is not a de Polignac number, because 747140020045 - 2⁹ = 747140019533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74714002000 + ... + 74714002009.

It is an arithmetic number, because the mean of its divisors is an integer number (224142006015).

Almost surely, 2^747140020045 is an apocalyptic number.

It is an amenable number.

747140020045 is a deficient number, since it is larger than the sum of its proper divisors (149428004015).

747140020045 is a wasteful number, since it uses less digits than its factorization.

747140020045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149428004014.

The product of its (nonzero) digits is 31360, while the sum is 34.

The spelling of 747140020045 in words is "seven hundred forty-seven billion, one hundred forty million, twenty thousand, forty-five".