84740870 has 16 divisors (see below), whose sum is σ = 152979408. Its totient is φ = 33797280.

The previous prime is 84740839. The next prime is 84740879. The reversal of 84740870 is 7804748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84740879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8741 + ... + 15680.

It is an arithmetic number, because the mean of its divisors is an integer number (9561213).

Almost surely, 2^84740870 is an apocalyptic number.

84740870 is a deficient number, since it is larger than the sum of its proper divisors (68238538).

84740870 is a wasteful number, since it uses less digits than its factorization.

84740870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24775.

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 84740870 is about 9205.4804328726. The cubic root of 84740870 is about 439.2357082976.

The spelling of 84740870 in words is "eighty-four million, seven hundred forty thousand, eight hundred seventy".