747706674561 has 48 divisors (see below), whose sum is σ = 1274371289280. Its totient is φ = 385583761920.

The previous prime is 747706674553. The next prime is 747706674569. The reversal of 747706674561 is 165476607747.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (747706674553) and next prime (747706674569).

It is not a de Polignac number, because 747706674561 - 2³ = 747706674553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 747706674495 and 747706674504.

It is not an unprimeable number, because it can be changed into a prime (747706674569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1466076 + ... + 1909133.

It is an arithmetic number, because the mean of its divisors is an integer number (26549401860).

Almost surely, 2^747706674561 is an apocalyptic number.

It is an amenable number.

747706674561 is a deficient number, since it is larger than the sum of its proper divisors (526664614719).

747706674561 is a wasteful number, since it uses less digits than its factorization.

747706674561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375374 (or 3375367 counting only the distinct ones).

The product of its (nonzero) digits is 41489280, while the sum is 60.

The spelling of 747706674561 in words is "seven hundred forty-seven billion, seven hundred six million, six hundred seventy-four thousand, five hundred sixty-one".