76665498 has 72 divisors (see below), whose sum is σ = 193265568. Its totient is φ = 20206368.

The previous prime is 76665497. The next prime is 76665503. The reversal of 76665498 is 89456667.

It is a self number, because there is not a number n which added to its sum of digits gives 76665498.

It is not an unprimeable number, because it can be changed into a prime (76665497) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 48915 + ... + 50457.

It is an arithmetic number, because the mean of its divisors is an integer number (2684244).

Almost surely, 2^76665498 is an apocalyptic number.

76665498 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 76665498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96632784).

76665498 is an abundant number, since it is smaller than the sum of its proper divisors (116600070).

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

76665498 is a wasteful number, since it uses less digits than its factorization.

76665498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588 (or 1568 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The square root of 76665498 is about 8755.8836218853. The cubic root of 76665498 is about 424.8151408274.

The spelling of 76665498 in words is "seventy-six million, six hundred sixty-five thousand, four hundred ninety-eight".