747958739616 has 288 divisors, whose sum is σ = 2339865335808. Its totient is φ = 224756881920.

The previous prime is 747958739609. The next prime is 747958739621. The reversal of 747958739616 is 616937859747.

It is a happy number.

747958739616 is a `hidden beast` number, since 7 + 4 + 7 + 9 + 587 + 39 + 6 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 257648821 + ... + 257651723.

It is an arithmetic number, because the mean of its divisors is an integer number (8124532416).

Almost surely, 2^747958739616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 747958739616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1169932667904).

747958739616 is an abundant number, since it is smaller than the sum of its proper divisors (1591906596192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

747958739616 is a wasteful number, since it uses less digits than its factorization.

747958739616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584 (or 3573 counting only the distinct ones).

The product of its digits is 480090240, while the sum is 72.

The spelling of 747958739616 in words is "seven hundred forty-seven billion, nine hundred fifty-eight million, seven hundred thirty-nine thousand, six hundred sixteen".