72423202382 has 4 divisors (see below), whose sum is σ = 108634803576. Its totient is φ = 36211601190.

The previous prime is 72423202337. The next prime is 72423202391. The reversal of 72423202382 is 28320232427.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28320232427 = 1741 ⋅16266647.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18105800594 + ... + 18105800597.

It is an arithmetic number, because the mean of its divisors is an integer number (27158700894).

Almost surely, 2^72423202382 is an apocalyptic number.

72423202382 is a deficient number, since it is larger than the sum of its proper divisors (36211601194).

72423202382 is a wasteful number, since it uses less digits than its factorization.

72423202382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36211601193.

The product of its (nonzero) digits is 64512, while the sum is 35.

The spelling of 72423202382 in words is "seventy-two billion, four hundred twenty-three million, two hundred two thousand, three hundred eighty-two".