76445900 has 18 divisors (see below), whose sum is σ = 165887820. Its totient is φ = 30578320.

The previous prime is 76445869. The next prime is 76445903. The reversal of 76445900 is 954467.

It is not an unprimeable number, because it can be changed into a prime (76445903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 382130 + ... + 382329.

It is an arithmetic number, because the mean of its divisors is an integer number (9215990).

Almost surely, 2^76445900 is an apocalyptic number.

It is an amenable number.

76445900 is an abundant number, since it is smaller than the sum of its proper divisors (89441920).

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

76445900 is a wasteful number, since it uses less digits than its factorization.

76445900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764473 (or 764466 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 76445900 is about 8743.3346041427. The cubic root of 76445900 is about 424.4091443423.

It can be divided in two parts, 764 and 45900, that added together give a palindrome (46664).

The spelling of 76445900 in words is "seventy-six million, four hundred forty-five thousand, nine hundred".