85631074 has 8 divisors (see below), whose sum is σ = 136002348. Its totient is φ = 40296960.

The previous prime is 85631059. The next prime is 85631107. The reversal of 85631074 is 47013658.

It can be written as a sum of positive squares in 2 ways, for example, as 85433049 + 198025 = 9243^2 + 445^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 2518561 = 85631074 / (8 + 5 + 6 + 3 + 1 + 0 + 7 + 4).

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, 1259247 + ... + 1259314.

Almost surely, 2^85631074 is an apocalyptic number.

85631074 is a deficient number, since it is larger than the sum of its proper divisors (50371274).

85631074 is a wasteful number, since it uses less digits than its factorization.

85631074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518580.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 85631074 is about 9253.7059603167. The cubic root of 85631074 is about 440.7684127780.

The spelling of 85631074 in words is "eighty-five million, six hundred thirty-one thousand, seventy-four".