72202851 has 24 divisors (see below), whose sum is σ = 120317184. Its totient is φ = 40869360.

The previous prime is 72202849. The next prime is 72202853. The reversal of 72202851 is 15820227.

It is an interprime number because it is at equal distance from previous prime (72202849) and next prime (72202853).

It is not a de Polignac number, because 72202851 - 2¹ = 72202849 is a prime.

It is a super-3 number, since 3×72202851³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (72202853) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1386 + ... + 12096.

It is an arithmetic number, because the mean of its divisors is an integer number (5013216).

Almost surely, 2^72202851 is an apocalyptic number.

72202851 is a deficient number, since it is larger than the sum of its proper divisors (48114333).

72202851 is a wasteful number, since it uses less digits than its factorization.

72202851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10831 (or 10828 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 72202851 is about 8497.2260767853. The cubic root of 72202851 is about 416.4070900193.

The spelling of 72202851 in words is "seventy-two million, two hundred two thousand, eight hundred fifty-one".