749172 has 24 divisors (see below), whose sum is σ = 1764000. Its totient is φ = 247456.

The previous prime is 749171. The next prime is 749183. The reversal of 749172 is 271947.

It is a super-2 number, since 2×749172² = 1122517371168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1579 + ... + 1997.

It is an arithmetic number, because the mean of its divisors is an integer number (73500).

2⁷⁴⁹¹⁷² is an apocalyptic number.

It is an amenable number.

749172 is an abundant number, since it is smaller than the sum of its proper divisors (1014828).

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

749172 is a wasteful number, since it uses less digits than its factorization.

749172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575 (or 573 counting only the distinct ones).

The product of its digits is 3528, while the sum is 30.

The square root of 749172 is about 865.5472257480. The cubic root of 749172 is about 90.8225823111.

Multiplying 749172 by its sum of digits (30), we get a triangular number (22475160 = T₆₇₀₄).

The spelling of 749172 in words is "seven hundred forty-nine thousand, one hundred seventy-two".