76673745 has 24 divisors (see below), whose sum is σ = 135158400. Its totient is φ = 40198176.

The previous prime is 76673717. The next prime is 76673749. The reversal of 76673745 is 54737667.

It is not a de Polignac number, because 76673745 - 2⁵ = 76673713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 76673745.

It is not an unprimeable number, because it can be changed into a prime (76673749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11785 + ... + 17094.

It is an arithmetic number, because the mean of its divisors is an integer number (5631600).

Almost surely, 2^76673745 is an apocalyptic number.

It is an amenable number.

76673745 is a deficient number, since it is larger than the sum of its proper divisors (58484655).

76673745 is a wasteful number, since it uses less digits than its factorization.

76673745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28949 (or 28946 counting only the distinct ones).

The product of its digits is 740880, while the sum is 45.

The square root of 76673745 is about 8756.3545496970. The cubic root of 76673745 is about 424.8303729068.

The spelling of 76673745 in words is "seventy-six million, six hundred seventy-three thousand, seven hundred forty-five".