747112505 has 8 divisors (see below), whose sum is σ = 897746112. Its totient is φ = 596882608.

The previous prime is 747112469. The next prime is 747112523. The reversal of 747112505 is 505211747.

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 747112505 - 2¹⁸ = 746850361 is a prime.

It is a Duffinian number.

It is a Curzon 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, 96839 + ... + 104268.

It is an arithmetic number, because the mean of its divisors is an integer number (112218264).

Almost surely, 2^747112505 is an apocalyptic number.

It is an amenable number.

747112505 is a deficient number, since it is larger than the sum of its proper divisors (150633607).

747112505 is a wasteful number, since it uses less digits than its factorization.

747112505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201855.

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 747112505 is about 27333.3588312889. The cubic root of 747112505 is about 907.3928131695.

The spelling of 747112505 in words is "seven hundred forty-seven million, one hundred twelve thousand, five hundred five".