749553 has 12 divisors (see below), whose sum is σ = 1162800. Its totient is φ = 428232.

The previous prime is 749543. The next prime is 749557. The reversal of 749553 is 355947.

It is not a de Polignac number, because 749553 - 2⁸ = 749297 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

749553 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (749557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2403 + ... + 2696.

It is an arithmetic number, because the mean of its divisors is an integer number (96900).

2⁷⁴⁹⁵⁵³ is an apocalyptic number.

It is an amenable number.

749553 is a deficient number, since it is larger than the sum of its proper divisors (413247).

749553 is a wasteful number, since it uses less digits than its factorization.

749553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5116 (or 5109 counting only the distinct ones).

The product of its digits is 18900, while the sum is 33.

The square root of 749553 is about 865.7672897494. The cubic root of 749553 is about 90.8379759899.

The spelling of 749553 in words is "seven hundred forty-nine thousand, five hundred fifty-three".