813466740 has 48 divisors (see below), whose sum is σ = 2308920768. Its totient is φ = 213951744.

The previous prime is 813466739. The next prime is 813466757. The reversal of 813466740 is 47664318.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88482 + ... + 97241.

It is an arithmetic number, because the mean of its divisors is an integer number (48102516).

Almost surely, 2^813466740 is an apocalyptic number.

It is an amenable number.

813466740 is an abundant number, since it is smaller than the sum of its proper divisors (1495454028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

813466740 is a wasteful number, since it uses less digits than its factorization.

813466740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185808 (or 185806 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 813466740 is about 28521.3383276451. The cubic root of 813466740 is about 933.4977315286.

The spelling of 813466740 in words is "eight hundred thirteen million, four hundred sixty-six thousand, seven hundred forty".