749210784 has 192 divisors, whose sum is σ = 2337350400. Its totient is φ = 209986560.

The previous prime is 749210783. The next prime is 749210873. The reversal of 749210784 is 487012947.

It is a happy number.

It is a super-2 number, since 2×749210784² = 1122633597723789312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (749210783) 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, 2008422 + ... + 2008794.

It is an arithmetic number, because the mean of its divisors is an integer number (12173700).

Almost surely, 2^749210784 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 749210784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1168675200).

749210784 is an abundant number, since it is smaller than the sum of its proper divisors (1588139616).

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

749210784 is a wasteful number, since it uses less digits than its factorization.

749210784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 749210784 is about 27371.7150357810. The cubic root of 749210784 is about 908.2414955341.

The spelling of 749210784 in words is "seven hundred forty-nine million, two hundred ten thousand, seven hundred eighty-four".