76120749 has 8 divisors (see below), whose sum is σ = 112771520. Its totient is φ = 50747148.

The previous prime is 76120727. The next prime is 76120753. The reversal of 76120749 is 94702167.

It is a happy number.

It is not a de Polignac number, because 76120749 - 2¹¹ = 76118701 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 (76120769) 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 7 ways as a sum of consecutive naturals, for example, 1409617 + ... + 1409670.

It is an arithmetic number, because the mean of its divisors is an integer number (14096440).

Almost surely, 2^76120749 is an apocalyptic number.

It is an amenable number.

76120749 is a deficient number, since it is larger than the sum of its proper divisors (36650771).

76120749 is a wasteful number, since it uses less digits than its factorization.

76120749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819296 (or 2819290 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 76120749 is about 8724.7205685913. The cubic root of 76120749 is about 423.8065693137.

The spelling of 76120749 in words is "seventy-six million, one hundred twenty thousand, seven hundred forty-nine".