76161506 has 4 divisors (see below), whose sum is σ = 114242262. Its totient is φ = 38080752.

The previous prime is 76161473. The next prime is 76161521. The reversal of 76161506 is 60516167.

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., 73805281 + 2356225 = 8591^2 + 1535^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19040375 + ... + 19040378.

Almost surely, 2^76161506 is an apocalyptic number.

76161506 is a deficient number, since it is larger than the sum of its proper divisors (38080756).

76161506 is a wasteful number, since it uses less digits than its factorization.

76161506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38080755.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 76161506 is about 8727.0559755281. The cubic root of 76161506 is about 423.8821947845.

It can be divided in two parts, 76161 and 506, that added together give a palindrome (76667).

The spelling of 76161506 in words is "seventy-six million, one hundred sixty-one thousand, five hundred six".