42072262 has 4 divisors (see below), whose sum is σ = 63108396. Its totient is φ = 21036130.

The previous prime is 42072259. The next prime is 42072269. The reversal of 42072262 is 26227024.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42072269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10518064 + ... + 10518067.

It is an arithmetic number, because the mean of its divisors is an integer number (15777099).

Almost surely, 2^42072262 is an apocalyptic number.

42072262 is a deficient number, since it is larger than the sum of its proper divisors (21036134).

42072262 is a wasteful number, since it uses less digits than its factorization.

42072262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21036133.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 42072262 is about 6486.3134367682. The cubic root of 42072262 is about 347.8019031542.

Adding to 42072262 its reverse (26227024), we get a palindrome (68299286).

The spelling of 42072262 in words is "forty-two million, seventy-two thousand, two hundred sixty-two".