76140061 has 4 divisors (see below), whose sum is σ = 78596224. Its totient is φ = 73683900.

The previous prime is 76140037. The next prime is 76140083. The reversal of 76140061 is 16004167.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 76140061 - 2⁷ = 76139933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76149061) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1228035 + ... + 1228096.

It is an arithmetic number, because the mean of its divisors is an integer number (19649056).

Almost surely, 2^76140061 is an apocalyptic number.

It is an amenable number.

76140061 is a deficient number, since it is larger than the sum of its proper divisors (2456163).

76140061 is a wasteful number, since it uses less digits than its factorization.

76140061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2456162.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 76140061 is about 8725.8272387207. The cubic root of 76140061 is about 423.8424065001.

The spelling of 76140061 in words is "seventy-six million, one hundred forty thousand, sixty-one".