747661260673 has 24 divisors (see below), whose sum is σ = 821115672000. Its totient is φ = 678805259040.

The previous prime is 747661260587. The next prime is 747661260683. The reversal of 747661260673 is 376062166747.

It is not a de Polignac number, because 747661260673 - 2²¹ = 747659163521 is a prime.

It is a super-2 number, since 2×747661260673² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (747661260683) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1681903 + ... + 2079451.

It is an arithmetic number, because the mean of its divisors is an integer number (34213153000).

Almost surely, 2^747661260673 is an apocalyptic number.

It is an amenable number.

747661260673 is a deficient number, since it is larger than the sum of its proper divisors (73454411327).

747661260673 is a wasteful number, since it uses less digits than its factorization.

747661260673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397733 (or 397702 counting only the distinct ones).

The product of its (nonzero) digits is 10668672, while the sum is 55.

The spelling of 747661260673 in words is "seven hundred forty-seven billion, six hundred sixty-one million, two hundred sixty thousand, six hundred seventy-three".