84274042 has 8 divisors (see below), whose sum is σ = 126476532. Its totient is φ = 42115200.

The previous prime is 84274037. The next prime is 84274051. The reversal of 84274042 is 24047248.

It can be written as a sum of positive squares in 2 ways, for example, as 56385081 + 27888961 = 7509^2 + 5281^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×84274042² = 14204228310035528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84273995 and 84274013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5559 + ... + 14122.

Almost surely, 2^84274042 is an apocalyptic number.

84274042 is a deficient number, since it is larger than the sum of its proper divisors (42202490).

84274042 is a wasteful number, since it uses less digits than its factorization.

84274042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21824.

The product of its (nonzero) digits is 14336, while the sum is 31.

The square root of 84274042 is about 9180.0894331156. The cubic root of 84274042 is about 438.4276558123.

The spelling of 84274042 in words is "eighty-four million, two hundred seventy-four thousand, forty-two".