76831000 has 32 divisors (see below), whose sum is σ = 179786880. Its totient is φ = 30732000.

The previous prime is 76830997. The next prime is 76831009. The reversal of 76831000 is 13867.

It is a super-2 number, since 2×76831000² = 11806005122000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76831009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37416 + ... + 39415.

It is an arithmetic number, because the mean of its divisors is an integer number (5618340).

Almost surely, 2^76831000 is an apocalyptic number.

It is an amenable number.

76831000 is an abundant number, since it is smaller than the sum of its proper divisors (102955880).

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

76831000 is a wasteful number, since it uses less digits than its factorization.

76831000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76852 (or 76838 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 76831000 is about 8765.3294290631. The cubic root of 76831000 is about 425.1206116735.

Adding to 76831000 its reverse (13867), we get a palindrome (76844867).

The spelling of 76831000 in words is "seventy-six million, eight hundred thirty-one thousand".