76380554 has 4 divisors (see below), whose sum is σ = 114570834. Its totient is φ = 38190276.

The previous prime is 76380547. The next prime is 76380571. The reversal of 76380554 is 45508367.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45508367 = 367 ⋅124001.

It can be written as a sum of positive squares in only one way, i.e., 66863329 + 9517225 = 8177^2 + 3085^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 19095137 + ... + 19095140.

Almost surely, 2^76380554 is an apocalyptic number.

76380554 is a deficient number, since it is larger than the sum of its proper divisors (38190280).

76380554 is a wasteful number, since it uses less digits than its factorization.

76380554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38190279.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 76380554 is about 8739.5969014595. The cubic root of 76380554 is about 424.2881814745.

The spelling of 76380554 in words is "seventy-six million, three hundred eighty thousand, five hundred fifty-four".