76520448 has 198 divisors, whose sum is σ = 243330984. Its totient is φ = 23113728.

The previous prime is 76520407. The next prime is 76520461. The reversal of 76520448 is 84402567.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3326965 + ... + 3326987.

Almost surely, 2^76520448 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 76520448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121665492).

76520448 is an abundant number, since it is smaller than the sum of its proper divisors (166810536).

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

76520448 is a wasteful number, since it uses less digits than its factorization.

76520448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 76520448 is about 8747.5966985224. The cubic root of 76520448 is about 424.5470570100.

The spelling of 76520448 in words is "seventy-six million, five hundred twenty thousand, four hundred forty-eight".