76381057 has 8 divisors (see below), whose sum is σ = 77172480. Its totient is φ = 75594000.

The previous prime is 76381033. The next prime is 76381069. The reversal of 76381057 is 75018367.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76381057 - 2⁷ = 76380929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76381087) 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 7 ways as a sum of consecutive naturals, for example, 42544 + ... + 44302.

It is an arithmetic number, because the mean of its divisors is an integer number (9646560).

Almost surely, 2^76381057 is an apocalyptic number.

It is an amenable number.

76381057 is a deficient number, since it is larger than the sum of its proper divisors (791423).

76381057 is a wasteful number, since it uses less digits than its factorization.

76381057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 76381057 is about 8739.6256784830. The cubic root of 76381057 is about 424.2891128481.

The spelling of 76381057 in words is "seventy-six million, three hundred eighty-one thousand, fifty-seven".