76650000 has 240 divisors, whose sum is σ = 286731648. Its totient is φ = 17280000.

The previous prime is 76649983. The next prime is 76650023. The reversal of 76650000 is 5667.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1049964 + ... + 1050036.

Almost surely, 2^76650000 is an apocalyptic number.

76650000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76650000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143365824).

76650000 is an abundant number, since it is smaller than the sum of its proper divisors (210081648).

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

76650000 is an equidigital number, since it uses as much as digits as its factorization.

76650000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 76650000 is about 8754.9985722443. The cubic root of 76650000 is about 424.7865133095.

Adding to 76650000 its reverse (5667), we get a palindrome (76655667).

The spelling of 76650000 in words is "seventy-six million, six hundred fifty thousand".