42720607075 has 24 divisors (see below), whose sum is σ = 53525133200. Its totient is φ = 33821400960.

The previous prime is 42720607043. The next prime is 42720607099. The reversal of 42720607075 is 57070602724.

It is not a de Polignac number, because 42720607075 - 2⁵ = 42720607043 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2315236 + ... + 2333614.

Almost surely, 2^42720607075 is an apocalyptic number.

42720607075 is a deficient number, since it is larger than the sum of its proper divisors (10804526125).

42720607075 is a wasteful number, since it uses less digits than its factorization.

42720607075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19351 (or 19346 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 40.

The spelling of 42720607075 in words is "forty-two billion, seven hundred twenty million, six hundred seven thousand, seventy-five".