76668732 has 90 divisors (see below), whose sum is σ = 226343208. Its totient is φ = 21880656.

The previous prime is 76668727. The next prime is 76668733. The reversal of 76668732 is 23786667.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76668733) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 85993 + ... + 86879.

Almost surely, 2^76668732 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 76668732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113171604).

76668732 is an abundant number, since it is smaller than the sum of its proper divisors (149674476).

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

76668732 is a wasteful number, since it uses less digits than its factorization.

76668732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925 (or 899 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 76668732 is about 8756.0682957592. The cubic root of 76668732 is about 424.8211141048.

The spelling of 76668732 in words is "seventy-six million, six hundred sixty-eight thousand, seven hundred thirty-two".