72037801 has 8 divisors (see below), whose sum is σ = 78984000. Its totient is φ = 65157840.

The previous prime is 72037799. The next prime is 72037811. The reversal of 72037801 is 10873027.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72037801 - 2¹ = 72037799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72037801.

It is not an unprimeable number, because it can be changed into a prime (72037811) 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 7 ways as a sum of consecutive naturals, for example, 14266 + ... + 18643.

It is an arithmetic number, because the mean of its divisors is an integer number (9873000).

Almost surely, 2^72037801 is an apocalyptic number.

It is an amenable number.

72037801 is a deficient number, since it is larger than the sum of its proper divisors (6946199).

72037801 is a wasteful number, since it uses less digits than its factorization.

72037801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33119.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 72037801 is about 8487.5085272417. The cubic root of 72037801 is about 416.0895567327.

The spelling of 72037801 in words is "seventy-two million, thirty-seven thousand, eight hundred one".