84739074 has 32 divisors (see below), whose sum is σ = 194202240. Its totient is φ = 24147072.

The previous prime is 84739063. The next prime is 84739079. The reversal of 84739074 is 47093748.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (84739079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14712 + ... + 19644.

It is an arithmetic number, because the mean of its divisors is an integer number (6068820).

Almost surely, 2^84739074 is an apocalyptic number.

84739074 is an abundant number, since it is smaller than the sum of its proper divisors (109463166).

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

84739074 is a wasteful number, since it uses less digits than its factorization.

84739074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5354.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 84739074 is about 9205.3828817709. The cubic root of 84739074 is about 439.2326052184.

The spelling of 84739074 in words is "eighty-four million, seven hundred thirty-nine thousand, seventy-four".