747007376545 has 16 divisors (see below), whose sum is σ = 949169162448. Its totient is φ = 562434611200.

The previous prime is 747007376519. The next prime is 747007376597. The reversal of 747007376545 is 545673700747.

It can be written as a sum of positive squares in 8 ways, for example, as 30743063569 + 716264312976 = 175337^2 + 846324^2 .

It is not a de Polignac number, because 747007376545 - 2⁷ = 747007376417 is a prime.

It is a super-2 number, since 2×747007376545² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2920347 + ... + 3165823.

It is an arithmetic number, because the mean of its divisors is an integer number (59323072653).

Almost surely, 2^747007376545 is an apocalyptic number.

It is an amenable number.

747007376545 is a deficient number, since it is larger than the sum of its proper divisors (202161785903).

747007376545 is a wasteful number, since it uses less digits than its factorization.

747007376545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281300.

The product of its (nonzero) digits is 17287200, while the sum is 55.

The spelling of 747007376545 in words is "seven hundred forty-seven billion, seven million, three hundred seventy-six thousand, five hundred forty-five".