84744942 has 16 divisors (see below), whose sum is σ = 170629200. Its totient is φ = 28058432.

The previous prime is 84744929. The next prime is 84744943. The reversal of 84744942 is 24944748.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 84744894 and 84744903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84744943) 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, 46503 + ... + 48290.

It is an arithmetic number, because the mean of its divisors is an integer number (10664325).

Almost surely, 2^84744942 is an apocalyptic number.

84744942 is an abundant number, since it is smaller than the sum of its proper divisors (85884258).

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

84744942 is a wasteful number, since it uses less digits than its factorization.

84744942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94947.

The product of its digits is 258048, while the sum is 42.

The square root of 84744942 is about 9205.7016028112. The cubic root of 84744942 is about 439.2427436245.

The spelling of 84744942 in words is "eighty-four million, seven hundred forty-four thousand, nine hundred forty-two".