76841990 has 16 divisors (see below), whose sum is σ = 140211648. Its totient is φ = 30315456.

The previous prime is 76841987. The next prime is 76841993. The reversal of 76841990 is 9914867.

It is an interprime number because it is at equal distance from previous prime (76841987) and next prime (76841993).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76841993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51902 + ... + 53361.

It is an arithmetic number, because the mean of its divisors is an integer number (8763228).

Almost surely, 2^76841990 is an apocalyptic number.

76841990 is a deficient number, since it is larger than the sum of its proper divisors (63369658).

76841990 is a wasteful number, since it uses less digits than its factorization.

76841990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105343.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 76841990 is about 8765.9563083556. The cubic root of 76841990 is about 425.1408806308.

The spelling of 76841990 in words is "seventy-six million, eight hundred forty-one thousand, nine hundred ninety".