740172 has 12 divisors (see below), whose sum is σ = 1727096. Its totient is φ = 246720.

The previous prime is 740171. The next prime is 740189. The reversal of 740172 is 271047.

740172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (740171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30829 + ... + 30852.

2⁷⁴⁰¹⁷² is an apocalyptic number.

It is an amenable number.

740172 is an abundant number, since it is smaller than the sum of its proper divisors (986924).

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

740172 is a wasteful number, since it uses less digits than its factorization.

740172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61688 (or 61686 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 740172 is about 860.3324938650. The cubic root of 740172 is about 90.4574242924.

The spelling of 740172 in words is "seven hundred forty thousand, one hundred seventy-two", and thus it is an iban number.