84468730 has 8 divisors (see below), whose sum is σ = 152043732. Its totient is φ = 33787488.

The previous prime is 84468679. The next prime is 84468731. The reversal of 84468730 is 3786448.

It can be written as a sum of positive squares in 2 ways, for example, as 81775849 + 2692881 = 9043^2 + 1641^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (84468731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4223427 + ... + 4223446.

Almost surely, 2^84468730 is an apocalyptic number.

84468730 is a deficient number, since it is larger than the sum of its proper divisors (67575002).

84468730 is a wasteful number, since it uses less digits than its factorization.

84468730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8446880.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 84468730 is about 9190.6871342680. The cubic root of 84468730 is about 438.7650114046.

The spelling of 84468730 in words is "eighty-four million, four hundred sixty-eight thousand, seven hundred thirty".