749140 has 24 divisors (see below), whose sum is σ = 1798272. Its totient is φ = 256800.

The previous prime is 749137. The next prime is 749143. The reversal of 749140 is 41947.

It is an interprime number because it is at equal distance from previous prime (749137) and next prime (749143).

It is a super-2 number, since 2×749140² = 1122421479200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749143) 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, 2536 + ... + 2815.

It is an arithmetic number, because the mean of its divisors is an integer number (74928).

2⁷⁴⁹¹⁴⁰ is an apocalyptic number.

749140 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

749140 is an abundant number, since it is smaller than the sum of its proper divisors (1049132).

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

749140 is a wasteful number, since it uses less digits than its factorization.

749140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5367 (or 5365 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 749140 is about 865.5287401352. The cubic root of 749140 is about 90.8212891661.

The spelling of 749140 in words is "seven hundred forty-nine thousand, one hundred forty".