72902 has 4 divisors (see below), whose sum is σ = 109356. Its totient is φ = 36450.

The previous prime is 72901. The next prime is 72907. The reversal of 72902 is 20927.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20927 = 17 ⋅1231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18224 + ... + 18227.

It is an arithmetic number, because the mean of its divisors is an integer number (27339).

2⁷²⁹⁰² is an apocalyptic number.

72902 is a deficient number, since it is larger than the sum of its proper divisors (36454).

72902 is a wasteful number, since it uses less digits than its factorization.

72902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36453.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 72902 is about 270.0037036783. The cubic root of 72902 is about 41.7746815228.

The spelling of 72902 in words is "seventy-two thousand, nine hundred two".