747975 has 12 divisors (see below), whose sum is σ = 1236776. Its totient is φ = 398880.

The previous prime is 747953. The next prime is 747977. The reversal of 747975 is 579747.

It is not a de Polignac number, because 747975 - 2⁹ = 747463 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747977) 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, 4912 + ... + 5061.

2⁷⁴⁷⁹⁷⁵ is an apocalyptic number.

747975 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

747975 is a deficient number, since it is larger than the sum of its proper divisors (488801).

747975 is a wasteful number, since it uses less digits than its factorization.

747975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9986 (or 9981 counting only the distinct ones).

The product of its digits is 61740, while the sum is 39.

The square root of 747975 is about 864.8554792565. The cubic root of 747975 is about 90.7741855110.

The spelling of 747975 in words is "seven hundred forty-seven thousand, nine hundred seventy-five".