76745505 has 8 divisors (see below), whose sum is σ = 122792832. Its totient is φ = 40930928.

The previous prime is 76745479. The next prime is 76745561. The reversal of 76745505 is 50554767.

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

It is a cyclic number.

It is not a de Polignac number, because 76745505 - 2¹⁵ = 76712737 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2558169 + ... + 2558198.

It is an arithmetic number, because the mean of its divisors is an integer number (15349104).

Almost surely, 2^76745505 is an apocalyptic number.

It is an amenable number.

76745505 is a deficient number, since it is larger than the sum of its proper divisors (46047327).

76745505 is a wasteful number, since it uses less digits than its factorization.

76745505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5116375.

The product of its (nonzero) digits is 147000, while the sum is 39.

The square root of 76745505 is about 8760.4511870109. The cubic root of 76745505 is about 424.9628664211.

The spelling of 76745505 in words is "seventy-six million, seven hundred forty-five thousand, five hundred five".