749155 has 16 divisors (see below), whose sum is σ = 1003104. Its totient is φ = 532480.

The previous prime is 749153. The next prime is 749167. The reversal of 749155 is 551947.

It is not a de Polignac number, because 749155 - 2¹ = 749153 is a prime.

It is a super-2 number, since 2×749155² = 1122466428050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (749153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2787 + ... + 3043.

It is an arithmetic number, because the mean of its divisors is an integer number (62694).

2⁷⁴⁹¹⁵⁵ is an apocalyptic number.

749155 is a deficient number, since it is larger than the sum of its proper divisors (253949).

749155 is a wasteful number, since it uses less digits than its factorization.

749155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326.

The product of its digits is 6300, while the sum is 31.

The square root of 749155 is about 865.5374053153. The cubic root of 749155 is about 90.8218953324.

It can be divided in two parts, 74 and 9155, that added together give a palindrome (9229).

The spelling of 749155 in words is "seven hundred forty-nine thousand, one hundred fifty-five".