747547613 has 8 divisors (see below), whose sum is σ = 794323008. Its totient is φ = 701083584.

The previous prime is 747547597. The next prime is 747547627. The reversal of 747547613 is 316745747.

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 747547613 - 2⁴ = 747547597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747547663) 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, 72881 + ... + 82502.

It is an arithmetic number, because the mean of its divisors is an integer number (99290376).

Almost surely, 2^747547613 is an apocalyptic number.

It is an amenable number.

747547613 is a deficient number, since it is larger than the sum of its proper divisors (46775395).

747547613 is a wasteful number, since it uses less digits than its factorization.

747547613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155683.

The product of its digits is 493920, while the sum is 44.

The square root of 747547613 is about 27341.3169580399. The cubic root of 747547613 is about 907.5689299968.

The spelling of 747547613 in words is "seven hundred forty-seven million, five hundred forty-seven thousand, six hundred thirteen".