84798742 has 32 divisors (see below), whose sum is σ = 149776704. Its totient is φ = 35251200.

The previous prime is 84798689. The next prime is 84798743. The reversal of 84798742 is 24789748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84798743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138028 + ... + 138640.

It is an arithmetic number, because the mean of its divisors is an integer number (4680522).

Almost surely, 2^84798742 is an apocalyptic number.

84798742 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

84798742 is a deficient number, since it is larger than the sum of its proper divisors (64977962).

84798742 is a wasteful number, since it uses less digits than its factorization.

84798742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904.

The product of its digits is 903168, while the sum is 49.

The square root of 84798742 is about 9208.6232412886. The cubic root of 84798742 is about 439.3356744830.

The spelling of 84798742 in words is "eighty-four million, seven hundred ninety-eight thousand, seven hundred forty-two".