72254037 has 4 divisors (see below), whose sum is σ = 96338720. Its totient is φ = 48169356.

The previous prime is 72254033. The next prime is 72254041. The reversal of 72254037 is 73045227.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73045227 = 3 ⋅24348409.

It is an interprime number because it is at equal distance from previous prime (72254033) and next prime (72254041).

It is not a de Polignac number, because 72254037 - 2² = 72254033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72253995 and 72254013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72254033) 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 3 ways as a sum of consecutive naturals, for example, 12042337 + ... + 12042342.

It is an arithmetic number, because the mean of its divisors is an integer number (24084680).

Almost surely, 2^72254037 is an apocalyptic number.

It is an amenable number.

72254037 is a deficient number, since it is larger than the sum of its proper divisors (24084683).

72254037 is a wasteful number, since it uses less digits than its factorization.

72254037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24084682.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 72254037 is about 8500.2374672711. The cubic root of 72254037 is about 416.5054664606.

The spelling of 72254037 in words is "seventy-two million, two hundred fifty-four thousand, thirty-seven".