749156 has 24 divisors (see below), whose sum is σ = 1451520. Its totient is φ = 336512.

The previous prime is 749153. The next prime is 749167. The reversal of 749156 is 651947.

It is a happy number.

It is a super-2 number, since 2×749156² = 1122469424672, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 749156.

It is not an unprimeable number, because it can be changed into a prime (749153) 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, 1325 + ... + 1803.

It is an arithmetic number, because the mean of its divisors is an integer number (60480).

2⁷⁴⁹¹⁵⁶ is an apocalyptic number.

It is an amenable number.

749156 is a deficient number, since it is larger than the sum of its proper divisors (702364).

749156 is a wasteful number, since it uses less digits than its factorization.

749156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523 (or 521 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 749156 is about 865.5379829909. The cubic root of 749156 is about 90.8219357432.

The spelling of 749156 in words is "seven hundred forty-nine thousand, one hundred fifty-six".