72822707 has 4 divisors (see below), whose sum is σ = 73311600. Its totient is φ = 72333816.

The previous prime is 72822691. The next prime is 72822719. The reversal of 72822707 is 70722827.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72822707 - 2⁴ = 72822691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72822727) 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, 244223 + ... + 244520.

It is an arithmetic number, because the mean of its divisors is an integer number (18327900).

Almost surely, 2^72822707 is an apocalyptic number.

72822707 is a deficient number, since it is larger than the sum of its proper divisors (488893).

72822707 is a wasteful number, since it uses less digits than its factorization.

72822707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488892.

The product of its (nonzero) digits is 21952, while the sum is 35.

The square root of 72822707 is about 8533.6221500603. The cubic root of 72822707 is about 417.5953039987.

The spelling of 72822707 in words is "seventy-two million, eight hundred twenty-two thousand, seven hundred seven".