72320151375 has 160 divisors (see below), whose sum is σ = 139429914624. Its totient is φ = 37274904000.

The previous prime is 72320151347. The next prime is 72320151377. The reversal of 72320151375 is 57315102327.

It is a happy number.

72320151375 is a `hidden beast` number, since 7 + 232 + 0 + 1 + 51 + 375 = 666.

It is not a de Polignac number, because 72320151375 - 2⁷ = 72320151247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72320151377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 39496710 + ... + 39498540.

Almost surely, 2^72320151375 is an apocalyptic number.

72320151375 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

72320151375 is a deficient number, since it is larger than the sum of its proper divisors (67109763249).

72320151375 is a wasteful number, since it uses less digits than its factorization.

72320151375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988 (or 1969 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The spelling of 72320151375 in words is "seventy-two billion, three hundred twenty million, one hundred fifty-one thousand, three hundred seventy-five".