747849941 has 16 divisors (see below), whose sum is σ = 821424240. Its totient is φ = 677698560.

The previous prime is 747849929. The next prime is 747849979. The reversal of 747849941 is 149948747.

It can be written as a sum of positive squares in 8 ways, for example, as 157602916 + 590247025 = 12554^2 + 24295^2 .

It is a cyclic number.

It is not a de Polignac number, because 747849941 - 2¹⁰ = 747848917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747849241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193811 + ... + 197631.

It is an arithmetic number, because the mean of its divisors is an integer number (51339015).

Almost surely, 2^747849941 is an apocalyptic number.

It is an amenable number.

747849941 is a deficient number, since it is larger than the sum of its proper divisors (73574299).

747849941 is a wasteful number, since it uses less digits than its factorization.

747849941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4264.

The product of its digits is 2032128, while the sum is 53.

The square root of 747849941 is about 27346.8451745352. The cubic root of 747849941 is about 907.6912617894.

The spelling of 747849941 in words is "seven hundred forty-seven million, eight hundred forty-nine thousand, nine hundred forty-one".