76663650 has 48 divisors (see below), whose sum is σ = 217289664. Its totient is φ = 17522880.

The previous prime is 76663637. The next prime is 76663673. The reversal of 76663650 is 5636667.

It is a junction number, because it is equal to n+sod(n) for n = 76663599 and 76663608.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35457 + ... + 37556.

It is an arithmetic number, because the mean of its divisors is an integer number (4526868).

Almost surely, 2^76663650 is an apocalyptic number.

76663650 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

76663650 is an abundant number, since it is smaller than the sum of its proper divisors (140626014).

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

76663650 is a wasteful number, since it uses less digits than its factorization.

76663650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73035 (or 73030 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 39.

The square root of 76663650 is about 8755.7780922086. The cubic root of 76663650 is about 424.8117274506.

The spelling of 76663650 in words is "seventy-six million, six hundred sixty-three thousand, six hundred fifty".