7157073 has 16 divisors (see below), whose sum is σ = 11897856. Its totient is φ = 3717840.

The previous prime is 7157047. The next prime is 7157089. The reversal of 7157073 is 3707517.

It is not a de Polignac number, because 7157073 - 2⁵ = 7157041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7157073.

It is not an unprimeable number, because it can be changed into a prime (7157023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15261 + ... + 15722.

It is an arithmetic number, because the mean of its divisors is an integer number (743616).

Almost surely, 2^7157073 is an apocalyptic number.

It is an amenable number.

7157073 is a deficient number, since it is larger than the sum of its proper divisors (4740783).

7157073 is a wasteful number, since it uses less digits than its factorization.

7157073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31004.

The product of its (nonzero) digits is 5145, while the sum is 30.

The square root of 7157073 is about 2675.2706405147. The cubic root of 7157073 is about 192.7133565135.

It can be divided in two parts, 7 and 157073, that added together give a triangular number (157080 = T₅₆₀).

The spelling of 7157073 in words is "seven million, one hundred fifty-seven thousand, seventy-three".