85344730 has 8 divisors (see below), whose sum is σ = 153620532. Its totient is φ = 34137888.

The previous prime is 85344703. The next prime is 85344731. The reversal of 85344730 is 3744358.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 83192641 + 2152089 = 9121^2 + 1467^2 .

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

It is not an unprimeable number, because it can be changed into a prime (85344731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4267227 + ... + 4267246.

Almost surely, 2^85344730 is an apocalyptic number.

85344730 is a deficient number, since it is larger than the sum of its proper divisors (68275802).

85344730 is a wasteful number, since it uses less digits than its factorization.

85344730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8534480.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 85344730 is about 9238.2211491174. The cubic root of 85344730 is about 440.2765651073.

The spelling of 85344730 in words is "eighty-five million, three hundred forty-four thousand, seven hundred thirty".