76907746 has 4 divisors (see below), whose sum is σ = 115361622. Its totient is φ = 38453872.

The previous prime is 76907741. The next prime is 76907783. The reversal of 76907746 is 64770967.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 59892121 + 17015625 = 7739^2 + 4125^2 .

It is a junction number, because it is equal to n+sod(n) for n = 76907696 and 76907705.

It is not an unprimeable number, because it can be changed into a prime (76907741) 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 as a sum of consecutive naturals, namely, 19226935 + ... + 19226938.

Almost surely, 2^76907746 is an apocalyptic number.

76907746 is a deficient number, since it is larger than the sum of its proper divisors (38453876).

76907746 is a wasteful number, since it uses less digits than its factorization.

76907746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38453875.

The product of its (nonzero) digits is 444528, while the sum is 46.

The square root of 76907746 is about 8769.7061524318. The cubic root of 76907746 is about 425.2621146653.

The spelling of 76907746 in words is "seventy-six million, nine hundred seven thousand, seven hundred forty-six".