72246160 has 40 divisors (see below), whose sum is σ = 191969856. Its totient is φ = 24769920.

The previous prime is 72246131. The next prime is 72246173. The reversal of 72246160 is 6164227.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63946 + ... + 65065.

Almost surely, 2^72246160 is an apocalyptic number.

72246160 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

72246160 is an abundant number, since it is smaller than the sum of its proper divisors (119723696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72246160 is a wasteful number, since it uses less digits than its factorization.

72246160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129031 (or 129025 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 72246160 is about 8499.7741146456. The cubic root of 72246160 is about 416.4903303615.

The spelling of 72246160 in words is "seventy-two million, two hundred forty-six thousand, one hundred sixty".