812678074 has 24 divisors (see below), whose sum is σ = 1328825952. Its totient is φ = 372574800.

The previous prime is 812678071. The next prime is 812678077. The reversal of 812678074 is 470876218.

It is an interprime number because it is at equal distance from previous prime (812678071) and next prime (812678077).

It is a self number, because there is not a number n which added to its sum of digits gives 812678074.

It is not an unprimeable number, because it can be changed into a prime (812678071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43077 + ... + 58999.

It is an arithmetic number, because the mean of its divisors is an integer number (55367748).

Almost surely, 2^812678074 is an apocalyptic number.

812678074 is a deficient number, since it is larger than the sum of its proper divisors (516147878).

812678074 is a wasteful number, since it uses less digits than its factorization.

812678074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16102 (or 16089 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 43.

The square root of 812678074 is about 28507.5090809422. The cubic root of 812678074 is about 933.1959548084.

The spelling of 812678074 in words is "eight hundred twelve million, six hundred seventy-eight thousand, seventy-four".