748696457 has 4 divisors (see below), whose sum is σ = 748751940. Its totient is φ = 748640976.

The previous prime is 748696453. The next prime is 748696471. The reversal of 748696457 is 754696847.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 308494096 + 440202361 = 17564^2 + 20981^2 .

It is a cyclic number.

It is not a de Polignac number, because 748696457 - 2² = 748696453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (748696453) 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, 7019 + ... + 39327.

It is an arithmetic number, because the mean of its divisors is an integer number (187187985).

Almost surely, 2^748696457 is an apocalyptic number.

It is an amenable number.

748696457 is a deficient number, since it is larger than the sum of its proper divisors (55483).

748696457 is a wasteful number, since it uses less digits than its factorization.

748696457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55482.

The product of its digits is 10160640, while the sum is 56.

The square root of 748696457 is about 27362.3181949191. The cubic root of 748696457 is about 908.0336145350.

The spelling of 748696457 in words is "seven hundred forty-eight million, six hundred ninety-six thousand, four hundred fifty-seven".