749465777 has 4 divisors (see below), whose sum is σ = 749778276. Its totient is φ = 749153280.

The previous prime is 749465767. The next prime is 749465779. The reversal of 749465777 is 777564947.

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

It can be written as a sum of positive squares in 2 ways, for example, as 410022001 + 339443776 = 20249^2 + 18424^2 .

It is a cyclic number.

It is not a de Polignac number, because 749465777 - 2²⁸ = 481030321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (749465779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152624 + ... + 157457.

It is an arithmetic number, because the mean of its divisors is an integer number (187444569).

Almost surely, 2^749465777 is an apocalyptic number.

It is an amenable number.

749465777 is a deficient number, since it is larger than the sum of its proper divisors (312499).

749465777 is a wasteful number, since it uses less digits than its factorization.

749465777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312498.

The product of its digits is 10372320, while the sum is 56.

The square root of 749465777 is about 27376.3726048576. The cubic root of 749465777 is about 908.3445234844.

The spelling of 749465777 in words is "seven hundred forty-nine million, four hundred sixty-five thousand, seven hundred seventy-seven".