272630042 has 4 divisors (see below), whose sum is σ = 408945066. Its totient is φ = 136315020.

The previous prime is 272630041. The next prime is 272630053. The reversal of 272630042 is 240036272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 266375041 + 6255001 = 16321^2 + 2501^2 .

It is a junction number, because it is equal to n+sod(n) for n = 272629993 and 272630020.

It is not an unprimeable number, because it can be changed into a prime (272630041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68157509 + ... + 68157512.

Almost surely, 2^272630042 is an apocalyptic number.

272630042 is a deficient number, since it is larger than the sum of its proper divisors (136315024).

272630042 is a wasteful number, since it uses less digits than its factorization.

272630042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136315023.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 272630042 is about 16511.5124080140. The cubic root of 272630042 is about 648.4222420142.

It can be divided in two parts, 2726 and 30042, that added together give a 15-th power (32768 = 2¹⁵).

The spelling of 272630042 in words is "two hundred seventy-two million, six hundred thirty thousand, forty-two".