764450745 has 8 divisors (see below), whose sum is σ = 1223121216. Its totient is φ = 407707056.

The previous prime is 764450717. The next prime is 764450767. The reversal of 764450745 is 547054467.

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

It is not a de Polignac number, because 764450745 - 2¹² = 764446649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 764450697 and 764450706.

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, 25481677 + ... + 25481706.

It is an arithmetic number, because the mean of its divisors is an integer number (152890152).

Almost surely, 2^764450745 is an apocalyptic number.

It is an amenable number.

764450745 is a deficient number, since it is larger than the sum of its proper divisors (458670471).

764450745 is a wasteful number, since it uses less digits than its factorization.

764450745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50963391.

The product of its (nonzero) digits is 470400, while the sum is 42.

The square root of 764450745 is about 27648.7024107823. The cubic root of 764450745 is about 914.3584920850.

The spelling of 764450745 in words is "seven hundred sixty-four million, four hundred fifty thousand, seven hundred forty-five".