76351378 has 4 divisors (see below), whose sum is σ = 114527070. Its totient is φ = 38175688.

The previous prime is 76351349. The next prime is 76351381. The reversal of 76351378 is 87315367.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 73908409 + 2442969 = 8597^2 + 1563^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 76351378.

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 as a sum of consecutive naturals, namely, 19087843 + ... + 19087846.

Almost surely, 2^76351378 is an apocalyptic number.

76351378 is a deficient number, since it is larger than the sum of its proper divisors (38175692).

76351378 is a wasteful number, since it uses less digits than its factorization.

76351378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38175691.

The product of its digits is 105840, while the sum is 40.

The square root of 76351378 is about 8737.9275574933. The cubic root of 76351378 is about 424.2341511057.

It can be divided in two parts, 76351 and 378, that added together give a square (76729 = 277²).

The spelling of 76351378 in words is "seventy-six million, three hundred fifty-one thousand, three hundred seventy-eight".