42906047697074 has 8 divisors (see below), whose sum is σ = 66578349874860. Its totient is φ = 20713264405456.

The previous prime is 42906047697059. The next prime is 42906047697083. The reversal of 42906047697074 is 47079674060924.

It can be written as a sum of positive squares in 2 ways, for example, as 42850207644049 + 55840053025 = 6546007^2 + 236305^2 .

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

It is a super-2 number, since 2×42906047697074² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42906047697074.

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, 369879721469 + ... + 369879721584.

Almost surely, 2^{42906047697074} is an apocalyptic number.

42906047697074 is a deficient number, since it is larger than the sum of its proper divisors (23672302177786).

42906047697074 is a wasteful number, since it uses less digits than its factorization.

42906047697074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739759443084.

The product of its (nonzero) digits is 128024064, while the sum is 65.

The spelling of 42906047697074 in words is "forty-two trillion, nine hundred six billion, forty-seven million, six hundred ninety-seven thousand, seventy-four".