34728743645 has 16 divisors (see below), whose sum is σ = 42142947840. Its totient is φ = 27471220224.

The previous prime is 34728743611. The next prime is 34728743657. The reversal of 34728743645 is 54634782743.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 34728743645 - 2⁸ = 34728743389 is a prime.

It is a congruent number.

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, 502496 + ... + 567414.

It is an arithmetic number, because the mean of its divisors is an integer number (2633934240).

Almost surely, 2^34728743645 is an apocalyptic number.

It is an amenable number.

34728743645 is a deficient number, since it is larger than the sum of its proper divisors (7414204195).

34728743645 is a wasteful number, since it uses less digits than its factorization.

34728743645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66124.

The product of its digits is 13547520, while the sum is 53.

The spelling of 34728743645 in words is "thirty-four billion, seven hundred twenty-eight million, seven hundred forty-three thousand, six hundred forty-five".