71250157 has 8 divisors (see below), whose sum is σ = 77837760. Its totient is φ = 64680960.

The previous prime is 71250131. The next prime is 71250163. The reversal of 71250157 is 75105217.

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 71250157 - 2⁷ = 71250029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71250457) 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, 4248 + ... + 12670.

It is an arithmetic number, because the mean of its divisors is an integer number (9729720).

Almost surely, 2^71250157 is an apocalyptic number.

It is an amenable number.

71250157 is a deficient number, since it is larger than the sum of its proper divisors (6587603).

71250157 is a wasteful number, since it uses less digits than its factorization.

71250157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9203.

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 71250157 is about 8440.9808079393. The cubic root of 71250157 is about 414.5675215931.

The spelling of 71250157 in words is "seventy-one million, two hundred fifty thousand, one hundred fifty-seven".