85974073 has 4 divisors (see below), whose sum is σ = 86053968. Its totient is φ = 85894180.

The previous prime is 85974061. The next prime is 85974101. The reversal of 85974073 is 37047958.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37047958 = 2 ⋅18523979.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85974073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85974013) 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, 38311 + ... + 40492.

It is an arithmetic number, because the mean of its divisors is an integer number (21513492).

Almost surely, 2^85974073 is an apocalyptic number.

It is an amenable number.

85974073 is a deficient number, since it is larger than the sum of its proper divisors (79895).

85974073 is a wasteful number, since it uses less digits than its factorization.

85974073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79894.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 85974073 is about 9272.2204999666. The cubic root of 85974073 is about 441.3561344577.

The spelling of 85974073 in words is "eighty-five million, nine hundred seventy-four thousand, seventy-three".