72395426 has 16 divisors (see below), whose sum is σ = 112665600. Its totient is φ = 34847568.

The previous prime is 72395423. The next prime is 72395437. The reversal of 72395426 is 62459327.

It is a super-3 number, since 3×72395426³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72395426.

It is not an unprimeable number, because it can be changed into a prime (72395423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20585 + ... + 23843.

It is an arithmetic number, because the mean of its divisors is an integer number (7041600).

Almost surely, 2^72395426 is an apocalyptic number.

72395426 is a deficient number, since it is larger than the sum of its proper divisors (40270174).

72395426 is a wasteful number, since it uses less digits than its factorization.

72395426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673.

The product of its digits is 90720, while the sum is 38.

The square root of 72395426 is about 8508.5501702699. The cubic root of 72395426 is about 416.7769664967.

The spelling of 72395426 in words is "seventy-two million, three hundred ninety-five thousand, four hundred twenty-six".