76613378 has 8 divisors (see below), whose sum is σ = 114966540. Its totient is φ = 38291200.

The previous prime is 76613371. The next prime is 76613393. The reversal of 76613378 is 87331667.

It can be written as a sum of positive squares in 2 ways, for example, as 74011609 + 2601769 = 8603^2 + 1613^2 .

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

It is not an unprimeable number, because it can be changed into a prime (76613371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23 + ... + 12378.

Almost surely, 2^76613378 is an apocalyptic number.

76613378 is a deficient number, since it is larger than the sum of its proper divisors (38353162).

76613378 is a wasteful number, since it uses less digits than its factorization.

76613378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15492.

The product of its digits is 127008, while the sum is 41.

The square root of 76613378 is about 8752.9068314475. The cubic root of 76613378 is about 424.7188507312.

The spelling of 76613378 in words is "seventy-six million, six hundred thirteen thousand, three hundred seventy-eight".