76196381 has 4 divisors (see below), whose sum is σ = 77445564. Its totient is φ = 74947200.

The previous prime is 76196377. The next prime is 76196383. The reversal of 76196381 is 18369167.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3367225 + 72829156 = 1835^2 + 8534^2 .

It is a cyclic number.

It is not a de Polignac number, because 76196381 - 2² = 76196377 is a prime.

It is a super-2 number, since 2×76196381² = 11611776954994322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76196383) 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, 624500 + ... + 624621.

It is an arithmetic number, because the mean of its divisors is an integer number (19361391).

Almost surely, 2^76196381 is an apocalyptic number.

It is an amenable number.

76196381 is a deficient number, since it is larger than the sum of its proper divisors (1249183).

76196381 is a wasteful number, since it uses less digits than its factorization.

76196381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249182.

The product of its digits is 54432, while the sum is 41.

The square root of 76196381 is about 8729.0538433441. The cubic root of 76196381 is about 423.9468846630.

The spelling of 76196381 in words is "seventy-six million, one hundred ninety-six thousand, three hundred eighty-one".