84349072 has 10 divisors (see below), whose sum is σ = 163426358. Its totient is φ = 42174528.

The previous prime is 84349043. The next prime is 84349079. The reversal of 84349072 is 27094348.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 42823936 + 41525136 = 6544^2 + 6444^2 .

It is a super-2 number, since 2×84349072² = 14229531894522368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84349079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2635893 + ... + 2635924.

Almost surely, 2^84349072 is an apocalyptic number.

It is an amenable number.

84349072 is a deficient number, since it is larger than the sum of its proper divisors (79077286).

84349072 is a wasteful number, since it uses less digits than its factorization.

84349072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5271825 (or 5271819 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 84349072 is about 9184.1750854391. The cubic root of 84349072 is about 438.5577293548.

The spelling of 84349072 in words is "eighty-four million, three hundred forty-nine thousand, seventy-two".