72850357 has 4 divisors (see below), whose sum is σ = 72902016. Its totient is φ = 72798700.

The previous prime is 72850339. The next prime is 72850367. The reversal of 72850357 is 75305827.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72850357 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 (72850367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23653 + ... + 26554.

It is an arithmetic number, because the mean of its divisors is an integer number (18225504).

Almost surely, 2^72850357 is an apocalyptic number.

It is an amenable number.

72850357 is a deficient number, since it is larger than the sum of its proper divisors (51659).

72850357 is a wasteful number, since it uses less digits than its factorization.

72850357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51658.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 72850357 is about 8535.2420586648. The cubic root of 72850357 is about 417.6481494621.

The spelling of 72850357 in words is "seventy-two million, eight hundred fifty thousand, three hundred fifty-seven".