76681552 has 20 divisors (see below), whose sum is σ = 148713076. Its totient is φ = 38304000.

The previous prime is 76681547. The next prime is 76681573. The reversal of 76681552 is 25518667.

It can be written as a sum of positive squares in 2 ways, for example, as 27625536 + 49056016 = 5256^2 + 7004^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24052 + ... + 27052.

Almost surely, 2^76681552 is an apocalyptic number.

It is an amenable number.

76681552 is a deficient number, since it is larger than the sum of its proper divisors (72031524).

76681552 is a wasteful number, since it uses less digits than its factorization.

76681552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4606 (or 4600 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 76681552 is about 8756.8003288873. The cubic root of 76681552 is about 424.8447913067.

The spelling of 76681552 in words is "seventy-six million, six hundred eighty-one thousand, five hundred fifty-two".