78084370 has 64 divisors (see below), whose sum is σ = 176359680. Its totient is φ = 24231168.

The previous prime is 78084367. The next prime is 78084371. The reversal of 78084370 is 7348087.

It is not an unprimeable number, because it can be changed into a prime (78084371) 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 31 ways as a sum of consecutive naturals, for example, 47421 + ... + 49039.

It is an arithmetic number, because the mean of its divisors is an integer number (2755620).

Almost surely, 2^78084370 is an apocalyptic number.

78084370 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

78084370 is an abundant number, since it is smaller than the sum of its proper divisors (98275310).

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

78084370 is a wasteful number, since it uses less digits than its factorization.

78084370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 78084370 is about 8836.5360860464. The cubic root of 78084370 is about 427.4198657409.

The spelling of 78084370 in words is "seventy-eight million, eighty-four thousand, three hundred seventy".