749506 has 4 divisors (see below), whose sum is σ = 1124262. Its totient is φ = 374752.

The previous prime is 749471. The next prime is 749543. The reversal of 749506 is 605947.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 555025 + 194481 = 745^2 + 441^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187375 + ... + 187378.

2⁷⁴⁹⁵⁰⁶ is an apocalyptic number.

749506 is a deficient number, since it is larger than the sum of its proper divisors (374756).

749506 is a wasteful number, since it uses less digits than its factorization.

749506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374755.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 749506 is about 865.7401457712. The cubic root of 749506 is about 90.8360773143.

The spelling of 749506 in words is "seven hundred forty-nine thousand, five hundred six".