7681486000 has 160 divisors (see below), whose sum is σ = 19141274880. Its totient is φ = 2980224000.

The previous prime is 7681485979. The next prime is 7681486009. The reversal of 7681486000 is 6841867.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (7681486009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9637602 + ... + 9638398.

It is an arithmetic number, because the mean of its divisors is an integer number (119632968).

Almost surely, 2^7681486000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7681486000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9570637440).

7681486000 is an abundant number, since it is smaller than the sum of its proper divisors (11459788880).

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

7681486000 is a wasteful number, since it uses less digits than its factorization.

7681486000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960 (or 944 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 7681486000 is about 87644.0870795058. The cubic root of 7681486000 is about 1973.0969009505.

The spelling of 7681486000 in words is "seven billion, six hundred eighty-one million, four hundred eighty-six thousand".