747864319 has 8 divisors (see below), whose sum is σ = 753318720. Its totient is φ = 742418976.

The previous prime is 747864281. The next prime is 747864349. The reversal of 747864319 is 913468747.

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 747864319 - 2⁷ = 747864191 is a prime.

It is a super-2 number, since 2×747864319² = 1118602079266667522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747864349) 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, 322737 + ... + 325045.

It is an arithmetic number, because the mean of its divisors is an integer number (94164840).

Almost surely, 2^747864319 is an apocalyptic number.

747864319 is a deficient number, since it is larger than the sum of its proper divisors (5454401).

747864319 is a wasteful number, since it uses less digits than its factorization.

747864319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4529.

The product of its digits is 1016064, while the sum is 49.

The square root of 747864319 is about 27347.1080555148. The cubic root of 747864319 is about 907.6970787769.

The spelling of 747864319 in words is "seven hundred forty-seven million, eight hundred sixty-four thousand, three hundred nineteen".