84734451 has 16 divisors (see below), whose sum is σ = 127048320. Its totient is φ = 55807560.

The previous prime is 84734449. The next prime is 84734459. The reversal of 84734451 is 15443748.

It is not a de Polignac number, because 84734451 - 2¹ = 84734449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84734459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16665 + ... + 21146.

It is an arithmetic number, because the mean of its divisors is an integer number (7940520).

Almost surely, 2^84734451 is an apocalyptic number.

84734451 is a deficient number, since it is larger than the sum of its proper divisors (42313869).

84734451 is a wasteful number, since it uses less digits than its factorization.

84734451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37903 (or 37897 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 84734451 is about 9205.1317752654. The cubic root of 84734451 is about 439.2246175249.

The spelling of 84734451 in words is "eighty-four million, seven hundred thirty-four thousand, four hundred fifty-one".