749297760 has 48 divisors (see below), whose sum is σ = 2360289456. Its totient is φ = 199812608.

The previous prime is 749297741. The next prime is 749297761. The reversal of 749297760 is 67792947.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×749297760² = 1122894266282035200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749297761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780039 + ... + 780998.

It is an arithmetic number, because the mean of its divisors is an integer number (49172697).

Almost surely, 2^749297760 is an apocalyptic number.

It is an amenable number.

749297760 is an abundant number, since it is smaller than the sum of its proper divisors (1610991696).

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

749297760 is a wasteful number, since it uses less digits than its factorization.

749297760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561055 (or 1561047 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 51.

The square root of 749297760 is about 27373.3037830657. The cubic root of 749297760 is about 908.2766401410.

It can be divided in two parts, 749297 and 760, that added together give a palindrome (750057).

The spelling of 749297760 in words is "seven hundred forty-nine million, two hundred ninety-seven thousand, seven hundred sixty".