169772042 has 16 divisors (see below), whose sum is σ = 278072352. Its totient is φ = 77095920.

The previous prime is 169772017. The next prime is 169772063. The reversal of 169772042 is 240277961.

It is a junction number, because it is equal to n+sod(n) for n = 169771987 and 169772005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25073 + ... + 31115.

It is an arithmetic number, because the mean of its divisors is an integer number (17379522).

Almost surely, 2^169772042 is an apocalyptic number.

169772042 is a deficient number, since it is larger than the sum of its proper divisors (108300310).

169772042 is a wasteful number, since it uses less digits than its factorization.

169772042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7333.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 169772042 is about 13029.6600876615. The cubic root of 169772042 is about 553.7181052276.

The spelling of 169772042 in words is "one hundred sixty-nine million, seven hundred seventy-two thousand, forty-two".