84722007 has 12 divisors (see below), whose sum is σ = 119222520. Its totient is φ = 53507952.

The previous prime is 84721991. The next prime is 84722009. The reversal of 84722007 is 70022748.

It is not a de Polignac number, because 84722007 - 2⁴ = 84721991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84722009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38032 + ... + 40197.

It is an arithmetic number, because the mean of its divisors is an integer number (9935210).

Almost surely, 2^84722007 is an apocalyptic number.

84722007 is a deficient number, since it is larger than the sum of its proper divisors (34500513).

84722007 is a wasteful number, since it uses less digits than its factorization.

84722007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78270 (or 78251 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 84722007 is about 9204.4558231326. The cubic root of 84722007 is about 439.2031151384.

The spelling of 84722007 in words is "eighty-four million, seven hundred twenty-two thousand, seven".