748456511 has 12 divisors (see below), whose sum is σ = 834280272. Its totient is φ = 670824000.

The previous prime is 748456441. The next prime is 748456543. The reversal of 748456511 is 115654847.

It is a de Polignac number, because none of the positive numbers 2^k-748456511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748456571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34970 + ... + 52151.

It is an arithmetic number, because the mean of its divisors is an integer number (69523356).

Almost surely, 2^748456511 is an apocalyptic number.

748456511 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

748456511 is a deficient number, since it is larger than the sum of its proper divisors (85823761).

748456511 is a wasteful number, since it uses less digits than its factorization.

748456511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87214 (or 87203 counting only the distinct ones).

The product of its digits is 134400, while the sum is 41.

The square root of 748456511 is about 27357.9332369973. The cubic root of 748456511 is about 907.9366004463.

The spelling of 748456511 in words is "seven hundred forty-eight million, four hundred fifty-six thousand, five hundred eleven".