747728465 has 8 divisors (see below), whose sum is σ = 978844608. Its totient is φ = 543802480.

The previous prime is 747728461. The next prime is 747728473. The reversal of 747728465 is 564827747.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 747728465 - 2² = 747728461 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (747728461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6797477 + ... + 6797586.

It is an arithmetic number, because the mean of its divisors is an integer number (122355576).

Almost surely, 2^747728465 is an apocalyptic number.

It is an amenable number.

747728465 is a deficient number, since it is larger than the sum of its proper divisors (231116143).

747728465 is a wasteful number, since it uses less digits than its factorization.

747728465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13595079.

The product of its digits is 2634240, while the sum is 50.

The square root of 747728465 is about 27344.6240603158. The cubic root of 747728465 is about 907.6421125914.

The spelling of 747728465 in words is "seven hundred forty-seven million, seven hundred twenty-eight thousand, four hundred sixty-five".