72069378 has 16 divisors (see below), whose sum is σ = 144974016. Its totient is φ = 23883920.

The previous prime is 72069367. The next prime is 72069397. The reversal of 72069378 is 87396027.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33678 + ... + 35753.

It is an arithmetic number, because the mean of its divisors is an integer number (9060876).

Almost surely, 2^72069378 is an apocalyptic number.

72069378 is an abundant number, since it is smaller than the sum of its proper divisors (72904638).

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

72069378 is a wasteful number, since it uses less digits than its factorization.

72069378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69609.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 72069378 is about 8489.3685277528. The cubic root of 72069378 is about 416.1503439882.

The spelling of 72069378 in words is "seventy-two million, sixty-nine thousand, three hundred seventy-eight".