85572734 has 8 divisors (see below), whose sum is σ = 138232920. Its totient is φ = 39495096.

The previous prime is 85572733. The next prime is 85572791. The reversal of 85572734 is 43727558.

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 = 85572691 and 85572700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85572733) 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, 1645604 + ... + 1645655.

It is an arithmetic number, because the mean of its divisors is an integer number (17279115).

Almost surely, 2^85572734 is an apocalyptic number.

85572734 is a deficient number, since it is larger than the sum of its proper divisors (52660186).

85572734 is a wasteful number, since it uses less digits than its factorization.

85572734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291274.

The product of its digits is 235200, while the sum is 41.

The square root of 85572734 is about 9250.5531726486. The cubic root of 85572734 is about 440.6682923042.

The spelling of 85572734 in words is "eighty-five million, five hundred seventy-two thousand, seven hundred thirty-four".