747458845 has 8 divisors (see below), whose sum is σ = 1025086464. Its totient is φ = 512543184.

The previous prime is 747458837. The next prime is 747458851. The reversal of 747458845 is 548854747.

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 747458845 - 2³ = 747458837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 747458792 and 747458801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10677949 + ... + 10678018.

It is an arithmetic number, because the mean of its divisors is an integer number (128135808).

Almost surely, 2^747458845 is an apocalyptic number.

It is an amenable number.

747458845 is a deficient number, since it is larger than the sum of its proper divisors (277627619).

747458845 is a wasteful number, since it uses less digits than its factorization.

747458845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21355979.

The product of its digits is 5017600, while the sum is 52.

The square root of 747458845 is about 27339.6935791168. The cubic root of 747458845 is about 907.5330052983.

The spelling of 747458845 in words is "seven hundred forty-seven million, four hundred fifty-eight thousand, eight hundred forty-five".