72383694 has 32 divisors (see below), whose sum is σ = 146832000. Its totient is φ = 23786784.

The previous prime is 72383683. The next prime is 72383699. The reversal of 72383694 is 49638327.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72383699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190797 + ... + 191175.

It is an arithmetic number, because the mean of its divisors is an integer number (4588500).

Almost surely, 2^72383694 is an apocalyptic number.

72383694 is the 4548-th nonagonal number.

72383694 is an abundant number, since it is smaller than the sum of its proper divisors (74448306).

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

72383694 is a wasteful number, since it uses less digits than its factorization.

72383694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752.

The product of its digits is 217728, while the sum is 42.

The square root of 72383694 is about 8507.8607181829. The cubic root of 72383694 is about 416.7544517615.

The spelling of 72383694 in words is "seventy-two million, three hundred eighty-three thousand, six hundred ninety-four".