747020747 has 8 divisors (see below), whose sum is σ = 819644400. Its totient is φ = 675182560.

The previous prime is 747020717. The next prime is 747020767.

747020747 is nontrivially palindromic in base 10.

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 747020747 - 2¹⁶ = 746955211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 747020747.

It is not an unprimeable number, because it can be changed into a prime (747020717) 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, 194372 + ... + 198177.

It is an arithmetic number, because the mean of its divisors is an integer number (102455550).

Almost surely, 2^747020747 is an apocalyptic number.

747020747 is a deficient number, since it is larger than the sum of its proper divisors (72623653).

747020747 is a wasteful number, since it uses less digits than its factorization.

747020747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392733.

The product of its (nonzero) digits is 76832, while the sum is 38.

The square root of 747020747 is about 27331.6802813146. The cubic root of 747020747 is about 907.3556639414.

The spelling of 747020747 in words is "seven hundred forty-seven million, twenty thousand, seven hundred forty-seven".