72797446 has 8 divisors (see below), whose sum is σ = 109892160. Its totient is φ = 36166728.

The previous prime is 72797441. The next prime is 72797447. The reversal of 72797446 is 64479727.

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

It is a junction number, because it is equal to n+sod(n) for n = 72797396 and 72797405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72797441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115606 + ... + 116233.

It is an arithmetic number, because the mean of its divisors is an integer number (13736520).

Almost surely, 2^72797446 is an apocalyptic number.

72797446 is a deficient number, since it is larger than the sum of its proper divisors (37094714).

72797446 is a wasteful number, since it uses less digits than its factorization.

72797446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231998.

The product of its digits is 592704, while the sum is 46.

The square root of 72797446 is about 8532.1419350594. The cubic root of 72797446 is about 417.5470127656.

The spelling of 72797446 in words is "seventy-two million, seven hundred ninety-seven thousand, four hundred forty-six".