72437101 has 8 divisors (see below), whose sum is σ = 83181600. Its totient is φ = 62385840.

The previous prime is 72437089. The next prime is 72437107. The reversal of 72437101 is 10173427.

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 72437101 - 2²¹ = 70339949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72437107) 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, 173086 + ... + 173503.

It is an arithmetic number, because the mean of its divisors is an integer number (10397700).

Almost surely, 2^72437101 is an apocalyptic number.

It is an amenable number.

72437101 is a deficient number, since it is larger than the sum of its proper divisors (10744499).

72437101 is a wasteful number, since it uses less digits than its factorization.

72437101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346619.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 72437101 is about 8510.9988250499. The cubic root of 72437101 is about 416.8569248090.

It can be divided in two parts, 72437 and 101, that multiplied together give a palindrome (7316137).

The spelling of 72437101 in words is "seventy-two million, four hundred thirty-seven thousand, one hundred one".