85749342 has 32 divisors (see below), whose sum is σ = 196273152. Its totient is φ = 24465504.

The previous prime is 85749331. The next prime is 85749371. The reversal of 85749342 is 24394758.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 85749294 and 85749303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56923 + ... + 58409.

It is an arithmetic number, because the mean of its divisors is an integer number (6133536).

Almost surely, 2^85749342 is an apocalyptic number.

85749342 is an abundant number, since it is smaller than the sum of its proper divisors (110523810).

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

85749342 is a wasteful number, since it uses less digits than its factorization.

85749342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872.

The product of its digits is 241920, while the sum is 42.

The square root of 85749342 is about 9260.0940599974. The cubic root of 85749342 is about 440.9712395310.

The spelling of 85749342 in words is "eighty-five million, seven hundred forty-nine thousand, three hundred forty-two".