748278751 has 16 divisors (see below), whose sum is σ = 834582528. Its totient is φ = 665111200.

The previous prime is 748278743. The next prime is 748278761. The reversal of 748278751 is 157872847.

It is a cyclic number.

It is not a de Polignac number, because 748278751 - 2³ = 748278743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 748278695 and 748278704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748278761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179250 + ... + 183376.

It is an arithmetic number, because the mean of its divisors is an integer number (52161408).

Almost surely, 2^748278751 is an apocalyptic number.

748278751 is a deficient number, since it is larger than the sum of its proper divisors (86303777).

748278751 is a wasteful number, since it uses less digits than its factorization.

748278751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4502.

The product of its digits is 878080, while the sum is 49.

The square root of 748278751 is about 27354.6842606527. The cubic root of 748278751 is about 907.8647158026.

The spelling of 748278751 in words is "seven hundred forty-eight million, two hundred seventy-eight thousand, seven hundred fifty-one".