72378160 has 20 divisors (see below), whose sum is σ = 168279408. Its totient is φ = 28951232.

The previous prime is 72378151. The next prime is 72378169. The reversal of 72378160 is 6187327.

It is an interprime number because it is at equal distance from previous prime (72378151) and next prime (72378169).

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (72378169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452284 + ... + 452443.

Almost surely, 2^72378160 is an apocalyptic number.

It is an amenable number.

72378160 is an abundant number, since it is smaller than the sum of its proper divisors (95901248).

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

72378160 is a wasteful number, since it uses less digits than its factorization.

72378160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904740 (or 904734 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 72378160 is about 8507.5354833230. The cubic root of 72378160 is about 416.7438306866.

The spelling of 72378160 in words is "seventy-two million, three hundred seventy-eight thousand, one hundred sixty".