84772270 has 16 divisors (see below), whose sum is σ = 166462128. Its totient is φ = 30826240.

The previous prime is 84772267. The next prime is 84772271. The reversal of 84772270 is 7227748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84772271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385219 + ... + 385438.

It is an arithmetic number, because the mean of its divisors is an integer number (10403883).

Almost surely, 2^84772270 is an apocalyptic number.

84772270 is a deficient number, since it is larger than the sum of its proper divisors (81689858).

84772270 is a wasteful number, since it uses less digits than its factorization.

84772270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770675.

The product of its (nonzero) digits is 43904, while the sum is 37.

The square root of 84772270 is about 9207.1857806824. The cubic root of 84772270 is about 439.2899532686.

The spelling of 84772270 in words is "eighty-four million, seven hundred seventy-two thousand, two hundred seventy".