749661696 has 320 divisors, whose sum is σ = 2597928960. Its totient is φ = 209018880.

The previous prime is 749661691. The next prime is 749661713. The reversal of 749661696 is 696166947.

749661696 is a `hidden beast` number, since 7 + 496 + 61 + 6 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749661691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5902785 + ... + 5902911.

It is an arithmetic number, because the mean of its divisors is an integer number (8118528).

Almost surely, 2^749661696 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 749661696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1298964480).

749661696 is an abundant number, since it is smaller than the sum of its proper divisors (1848267264).

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

749661696 is a wasteful number, since it uses less digits than its factorization.

749661696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 200 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 749661696 is about 27379.9506208466. The cubic root of 749661696 is about 908.4236671675.

The spelling of 749661696 in words is "seven hundred forty-nine million, six hundred sixty-one thousand, six hundred ninety-six".