747013609 has 16 divisors (see below), whose sum is σ = 814036608. Its totient is φ = 682636032.

The previous prime is 747013591. The next prime is 747013613. The reversal of 747013609 is 906310747.

It is a cyclic number.

It is not a de Polignac number, because 747013609 - 2²¹ = 744916457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (747013669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403524 + ... + 405370.

It is an arithmetic number, because the mean of its divisors is an integer number (50877288).

Almost surely, 2^747013609 is an apocalyptic number.

It is an amenable number.

747013609 is a deficient number, since it is larger than the sum of its proper divisors (67022999).

747013609 is a wasteful number, since it uses less digits than its factorization.

747013609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2544.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 747013609 is about 27331.5496999347. The cubic root of 747013609 is about 907.3527739166.

The spelling of 747013609 in words is "seven hundred forty-seven million, thirteen thousand, six hundred nine".