72822476 has 6 divisors (see below), whose sum is σ = 127439340. Its totient is φ = 36411236.

The previous prime is 72822473. The next prime is 72822481. The reversal of 72822476 is 67422827.

It is a happy number.

It is a super-2 number, since 2×72822476² = 10606226021541152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72822473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9102806 + ... + 9102813.

It is an arithmetic number, because the mean of its divisors is an integer number (21239890).

Almost surely, 2^72822476 is an apocalyptic number.

It is an amenable number.

72822476 is a deficient number, since it is larger than the sum of its proper divisors (54616864).

72822476 is a wasteful number, since it uses less digits than its factorization.

72822476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18205623 (or 18205621 counting only the distinct ones).

The product of its digits is 75264, while the sum is 38.

The square root of 72822476 is about 8533.6086153514. The cubic root of 72822476 is about 417.5948624486.

The spelling of 72822476 in words is "seventy-two million, eight hundred twenty-two thousand, four hundred seventy-six".