84707242 has 8 divisors (see below), whose sum is σ = 127706436. Its totient is φ = 42138432.

The previous prime is 84707213. The next prime is 84707257. The reversal of 84707242 is 24270748.

It can be written as a sum of positive squares in 2 ways, for example, as 84658401 + 48841 = 9201^2 + 221^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 84707198 and 84707207.

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, 107103 + ... + 107890.

Almost surely, 2^84707242 is an apocalyptic number.

84707242 is a deficient number, since it is larger than the sum of its proper divisors (42999194).

84707242 is a wasteful number, since it uses less digits than its factorization.

84707242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215192.

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 84707242 is about 9203.6537309918. The cubic root of 84707242 is about 439.1775994903.

The spelling of 84707242 in words is "eighty-four million, seven hundred seven thousand, two hundred forty-two".