747887481 has 96 divisors (see below), whose sum is σ = 1320883200. Its totient is φ = 402399360.

The previous prime is 747887419. The next prime is 747887489. The reversal of 747887481 is 184788747.

It is not a de Polignac number, because 747887481 - 2⁶ = 747887417 is a prime.

It is a super-2 number, since 2×747887481² = 1118671368473050722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (747887489) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2552371 + ... + 2552663.

It is an arithmetic number, because the mean of its divisors is an integer number (13759200).

Almost surely, 2^747887481 is an apocalyptic number.

It is an amenable number.

747887481 is a deficient number, since it is larger than the sum of its proper divisors (572995719).

747887481 is a wasteful number, since it uses less digits than its factorization.

747887481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 408 counting only the distinct ones).

The product of its digits is 2809856, while the sum is 54.

The square root of 747887481 is about 27347.5315339429. The cubic root of 747887481 is about 907.7064493994.

The spelling of 747887481 in words is "seven hundred forty-seven million, eight hundred eighty-seven thousand, four hundred eighty-one".