749740 has 24 divisors (see below), whose sum is σ = 1658160. Its totient is φ = 283968.

The previous prime is 749729. The next prime is 749741. The reversal of 749740 is 47947.

749740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×749740² = 1124220135200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (749741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607 + ... + 1366.

It is an arithmetic number, because the mean of its divisors is an integer number (69090).

2⁷⁴⁹⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

749740 is an abundant number, since it is smaller than the sum of its proper divisors (908420).

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

749740 is a wasteful number, since it uses less digits than its factorization.

749740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001 (or 1999 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 749740 is about 865.8752797026. The cubic root of 749740 is about 90.8455295092.

The spelling of 749740 in words is "seven hundred forty-nine thousand, seven hundred forty".