7072442 has 16 divisors (see below), whose sum is σ = 12097512. Its totient is φ = 3072000.

The previous prime is 7072441. The next prime is 7072447. The reversal of 7072442 is 2442707.

It can be written as a sum of positive squares in 4 ways, for example, as 6651241 + 421201 = 2579^2 + 649^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7072441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7559 + ... + 8442.

Almost surely, 2^7072442 is an apocalyptic number.

7072442 is a deficient number, since it is larger than the sum of its proper divisors (5025070).

7072442 is a wasteful number, since it uses less digits than its factorization.

7072442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16033.

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 7072442 is about 2659.4063247274. The cubic root of 7072442 is about 191.9507432962.

It can be divided in two parts, 7072 and 442, that multiplied together give a square (3125824 = 1768²).

The spelling of 7072442 in words is "seven million, seventy-two thousand, four hundred forty-two".