748273769 has 8 divisors (see below), whose sum is σ = 762986952. Its totient is φ = 733582720.

The previous prime is 748273741. The next prime is 748273777. The reversal of 748273769 is 967372847.

It can be written as a sum of positive squares in 4 ways, for example, as 61152400 + 687121369 = 7820^2 + 26213^2 .

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 748273769 - 2¹² = 748269673 is a prime.

It is a super-2 number, since 2×748273769² = 1119827266746930722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 748273769.

It is not an unprimeable number, because it can be changed into a prime (748273709) 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 7 ways as a sum of consecutive naturals, for example, 73727 + ... + 83259.

It is an arithmetic number, because the mean of its divisors is an integer number (95373369).

Almost surely, 2^748273769 is an apocalyptic number.

It is an amenable number.

748273769 is a deficient number, since it is larger than the sum of its proper divisors (14713183).

748273769 is a wasteful number, since it uses less digits than its factorization.

748273769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11067.

The product of its digits is 3556224, while the sum is 53.

The square root of 748273769 is about 27354.5931974870. The cubic root of 748273769 is about 907.8627009598.

The spelling of 748273769 in words is "seven hundred forty-eight million, two hundred seventy-three thousand, seven hundred sixty-nine".