807686740 has 48 divisors (see below), whose sum is σ = 1943770752. Its totient is φ = 276160896.

The previous prime is 807686731. The next prime is 807686749. The reversal of 807686740 is 47686708.

It is an interprime number because it is at equal distance from previous prime (807686731) and next prime (807686749).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (807686749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44487 + ... + 59953.

It is an arithmetic number, because the mean of its divisors is an integer number (40495224).

Almost surely, 2^807686740 is an apocalyptic number.

It is an amenable number.

807686740 is an abundant number, since it is smaller than the sum of its proper divisors (1136084012).

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

807686740 is a wasteful number, since it uses less digits than its factorization.

807686740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15856 (or 15854 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 807686740 is about 28419.8300487529. The cubic root of 807686740 is about 931.2815184444.

The spelling of 807686740 in words is "eight hundred seven million, six hundred eighty-six thousand, seven hundred forty".