7072845 has 64 divisors (see below), whose sum is σ = 13547520. Its totient is φ = 3117312.

The previous prime is 7072841. The next prime is 7072853. The reversal of 7072845 is 5482707.

It is not a de Polignac number, because 7072845 - 2² = 7072841 is a prime.

7072845 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7072841) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 85174 + ... + 85256.

It is an arithmetic number, because the mean of its divisors is an integer number (211680).

Almost surely, 2^7072845 is an apocalyptic number.

It is an amenable number.

7072845 is a deficient number, since it is larger than the sum of its proper divisors (6474675).

7072845 is a wasteful number, since it uses less digits than its factorization.

7072845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 7072845 is about 2659.4820924383. The cubic root of 7072845 is about 191.9543891223.

The spelling of 7072845 in words is "seven million, seventy-two thousand, eight hundred forty-five".