2745746373730 has 8 divisors (see below), whose sum is σ = 4942343472732. Its totient is φ = 1098298549488.

The previous prime is 2745746373719. The next prime is 2745746373823. The reversal of 2745746373730 is 373736475472.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2228723537881 + 517022835849 = 1492891^2 + 719043^2 .

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

It is a super-2 number, since 2×2745746373730² (a number of 26 digits) contains 22 as substring.

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, 137287318677 + ... + 137287318696.

Almost surely, 2^{2745746373730} is an apocalyptic number.

2745746373730 is a deficient number, since it is larger than the sum of its proper divisors (2196597099002).

2745746373730 is a wasteful number, since it uses less digits than its factorization.

2745746373730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274574637380.

The product of its (nonzero) digits is 62233920, while the sum is 58.

The spelling of 2745746373730 in words is "two trillion, seven hundred forty-five billion, seven hundred forty-six million, three hundred seventy-three thousand, seven hundred thirty".