7072157 has 8 divisors (see below), whose sum is σ = 7237632. Its totient is φ = 6908400.

The previous prime is 7072151. The next prime is 7072171. The reversal of 7072157 is 7512707.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7072157 - 2⁸ = 7071901 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 (7072151) 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, 11348 + ... + 11954.

It is an arithmetic number, because the mean of its divisors is an integer number (904704).

Almost surely, 2^7072157 is an apocalyptic number.

It is an amenable number.

7072157 is a deficient number, since it is larger than the sum of its proper divisors (165475).

7072157 is a wasteful number, since it uses less digits than its factorization.

7072157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859.

The product of its (nonzero) digits is 3430, while the sum is 29.

The square root of 7072157 is about 2659.3527407999. The cubic root of 7072157 is about 191.9481648989.

It can be divided in two parts, 70 and 72157, that added together give a palindrome (72227).

The spelling of 7072157 in words is "seven million, seventy-two thousand, one hundred fifty-seven".