84718740 has 24 divisors (see below), whose sum is σ = 237212640. Its totient is φ = 22591648.

The previous prime is 84718721. The next prime is 84718741. The reversal of 84718740 is 4781748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84718741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705930 + ... + 706049.

It is an arithmetic number, because the mean of its divisors is an integer number (9883860).

Almost surely, 2^84718740 is an apocalyptic number.

It is an amenable number.

84718740 is an abundant number, since it is smaller than the sum of its proper divisors (152493900).

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

84718740 is a wasteful number, since it uses less digits than its factorization.

84718740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411991 (or 1411989 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 39.

The square root of 84718740 is about 9204.2783530269. The cubic root of 84718740 is about 439.1974696355.

It can be divided in two parts, 84718 and 740, that added together give a palindrome (85458).

The spelling of 84718740 in words is "eighty-four million, seven hundred eighteen thousand, seven hundred forty".