72323656376 has 16 divisors (see below), whose sum is σ = 143583729840. Its totient is φ = 34034661760.

The previous prime is 72323656373. The next prime is 72323656381. The reversal of 72323656376 is 67365632327.

It is a super-2 number, since 2×72323656376² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72323656373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265895660 + ... + 265895931.

It is an arithmetic number, because the mean of its divisors is an integer number (8973983115).

Almost surely, 2^72323656376 is an apocalyptic number.

It is an amenable number.

72323656376 is a deficient number, since it is larger than the sum of its proper divisors (71260073464).

72323656376 is a wasteful number, since it uses less digits than its factorization.

72323656376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531791614 (or 531791610 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 50.

The spelling of 72323656376 in words is "seventy-two billion, three hundred twenty-three million, six hundred fifty-six thousand, three hundred seventy-six".