806140774 has 4 divisors (see below), whose sum is σ = 1209211164. Its totient is φ = 403070386.

The previous prime is 806140747. The next prime is 806140801. The reversal of 806140774 is 477041608.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (806140747) and next prime (806140801).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201535192 + ... + 201535195.

It is an arithmetic number, because the mean of its divisors is an integer number (302302791).

Almost surely, 2^806140774 is an apocalyptic number.

806140774 is a deficient number, since it is larger than the sum of its proper divisors (403070390).

806140774 is a wasteful number, since it uses less digits than its factorization.

806140774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403070389.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 806140774 is about 28392.6183012416. The cubic root of 806140774 is about 930.6869607403.

The spelling of 806140774 in words is "eight hundred six million, one hundred forty thousand, seven hundred seventy-four".