7157087 has 6 divisors (see below), whose sum is σ = 8325648. Its totient is φ = 6134604.

The previous prime is 7157047. The next prime is 7157089. The reversal of 7157087 is 7807517.

It is not a de Polignac number, because 7157087 - 2⁶ = 7157023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7157089) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72983 + ... + 73080.

It is an arithmetic number, because the mean of its divisors is an integer number (1387608).

Almost surely, 2^7157087 is an apocalyptic number.

7157087 is a deficient number, since it is larger than the sum of its proper divisors (1168561).

7157087 is a wasteful number, since it uses less digits than its factorization.

7157087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146077 (or 146070 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 35.

The square root of 7157087 is about 2675.2732570711. The cubic root of 7157087 is about 192.7134821694.

The spelling of 7157087 in words is "seven million, one hundred fifty-seven thousand, eighty-seven".