76749969 has 8 divisors (see below), whose sum is σ = 104713312. Its totient is φ = 49976640.

The previous prime is 76749943. The next prime is 76749983. The reversal of 76749969 is 96994767.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 76749969 - 2¹¹ = 76747921 is a prime.

It is a super-2 number, since 2×76749969² = 11781115483001922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76749929) 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, 297352 + ... + 297609.

It is an arithmetic number, because the mean of its divisors is an integer number (13089164).

Almost surely, 2^76749969 is an apocalyptic number.

It is an amenable number.

76749969 is a deficient number, since it is larger than the sum of its proper divisors (27963343).

76749969 is a wasteful number, since it uses less digits than its factorization.

76749969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595007.

The product of its digits is 5143824, while the sum is 57.

The square root of 76749969 is about 8760.7059647040. The cubic root of 76749969 is about 424.9711057634.

The spelling of 76749969 in words is "seventy-six million, seven hundred forty-nine thousand, nine hundred sixty-nine".