747064881 has 12 divisors (see below), whose sum is σ = 1142570052. Its totient is φ = 468746496.

The previous prime is 747064867. The next prime is 747064883. The reversal of 747064881 is 188460747.

It can be written as a sum of positive squares in 2 ways, for example, as 451775025 + 295289856 = 21255^2 + 17184^2 .

It is not a de Polignac number, because 747064881 - 2¹⁸ = 746802737 is a prime.

It is a super-2 number, since 2×747064881² = 1116211872847088322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (747064883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2441236 + ... + 2441541.

It is an arithmetic number, because the mean of its divisors is an integer number (95214171).

Almost surely, 2^747064881 is an apocalyptic number.

It is an amenable number.

747064881 is a deficient number, since it is larger than the sum of its proper divisors (395505171).

747064881 is a wasteful number, since it uses less digits than its factorization.

747064881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4882800 (or 4882797 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 747064881 is about 27332.4876474865. The cubic root of 747064881 is about 907.3735324528.

The spelling of 747064881 in words is "seven hundred forty-seven million, sixty-four thousand, eight hundred eighty-one".