76748736 has 56 divisors (see below), whose sum is σ = 206424784. Its totient is φ = 25159680.

The previous prime is 76748729. The next prime is 76748741. The reversal of 76748736 is 63784767.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8436 + ... + 14988.

Almost surely, 2^76748736 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 76748736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103212392).

76748736 is an abundant number, since it is smaller than the sum of its proper divisors (129676048).

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

76748736 is a wasteful number, since it uses less digits than its factorization.

76748736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6629 (or 6619 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 48.

The square root of 76748736 is about 8760.6355933802. The cubic root of 76748736 is about 424.9688300093.

The spelling of 76748736 in words is "seventy-six million, seven hundred forty-eight thousand, seven hundred thirty-six".