72367698 has 16 divisors (see below), whose sum is σ = 155869056. Its totient is φ = 22266960.

The previous prime is 72367693. The next prime is 72367699. The reversal of 72367698 is 89676327.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72367693) by changing a digit.

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, 463818 + ... + 463973.

It is an arithmetic number, because the mean of its divisors is an integer number (9741816).

Almost surely, 2^72367698 is an apocalyptic number.

72367698 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

72367698 is an abundant number, since it is smaller than the sum of its proper divisors (83501358).

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

72367698 is a wasteful number, since it uses less digits than its factorization.

72367698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927809.

The product of its digits is 762048, while the sum is 48.

The square root of 72367698 is about 8506.9205944337. The cubic root of 72367698 is about 416.7237501170.

The spelling of 72367698 in words is "seventy-two million, three hundred sixty-seven thousand, six hundred ninety-eight".