84065772 has 36 divisors (see below), whose sum is σ = 228180120. Its totient is φ = 24018624.

The previous prime is 84065749. The next prime is 84065797. The reversal of 84065772 is 27756048.

It is a self number, because there is not a number n which added to its sum of digits gives 84065772.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70897 + ... + 72072.

Almost surely, 2^84065772 is an apocalyptic number.

It is an amenable number.

84065772 is an abundant number, since it is smaller than the sum of its proper divisors (144114348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84065772 is a wasteful number, since it uses less digits than its factorization.

84065772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142990 (or 142981 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 84065772 is about 9168.7388445740. The cubic root of 84065772 is about 438.0661896176.

The spelling of 84065772 in words is "eighty-four million, sixty-five thousand, seven hundred seventy-two".