72042364 has 12 divisors (see below), whose sum is σ = 126138600. Its totient is φ = 36002768.

The previous prime is 72042361. The next prime is 72042389. The reversal of 72042364 is 46324027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72042361) 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, 8082 + ... + 14470.

It is an arithmetic number, because the mean of its divisors is an integer number (10511550).

Almost surely, 2^72042364 is an apocalyptic number.

It is an amenable number.

72042364 is a deficient number, since it is larger than the sum of its proper divisors (54096236).

72042364 is a wasteful number, since it uses less digits than its factorization.

72042364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9212 (or 9210 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 72042364 is about 8487.7773297843. Note that the first 3 decimals coincide. The cubic root of 72042364 is about 416.0983418267.

The spelling of 72042364 in words is "seventy-two million, forty-two thousand, three hundred sixty-four".