76441861 has 4 divisors (see below), whose sum is σ = 76488300. Its totient is φ = 76395424.

The previous prime is 76441853. The next prime is 76441873. The reversal of 76441861 is 16814467.

It is a happy number.

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 36372961 + 40068900 = 6031^2 + 6330^2 .

It is a cyclic number.

It is not a de Polignac number, because 76441861 - 2³ = 76441853 is a prime.

It is a super-2 number, since 2×76441861² = 11686716226286642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76441861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76441661) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 20656 + ... + 24073.

It is an arithmetic number, because the mean of its divisors is an integer number (19122075).

Almost surely, 2^76441861 is an apocalyptic number.

It is an amenable number.

76441861 is a deficient number, since it is larger than the sum of its proper divisors (46439).

76441861 is a wasteful number, since it uses less digits than its factorization.

76441861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46438.

The product of its digits is 32256, while the sum is 37.

The square root of 76441861 is about 8743.1036251436. The cubic root of 76441861 is about 424.4016696937.

The spelling of 76441861 in words is "seventy-six million, four hundred forty-one thousand, eight hundred sixty-one".