749712343464 has 320 divisors, whose sum is σ = 2495434613760. Its totient is φ = 205775354880.

The previous prime is 749712343441. The next prime is 749712343477. The reversal of 749712343464 is 464343217947.

It is a happy number.

749712343464 is a `hidden beast` number, since 74 + 9 + 71 + 2 + 3 + 43 + 464 = 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 self number, because there is not a number n which added to its sum of digits gives 749712343464.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 19244934 + ... + 19283850.

It is an arithmetic number, because the mean of its divisors is an integer number (7798233168).

Almost surely, 2^749712343464 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 749712343464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1247717306880).

749712343464 is an abundant number, since it is smaller than the sum of its proper divisors (1745722270296).

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

749712343464 is a wasteful number, since it uses less digits than its factorization.

749712343464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39110 (or 39097 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 54.

The spelling of 749712343464 in words is "seven hundred forty-nine billion, seven hundred twelve million, three hundred forty-three thousand, four hundred sixty-four".