740158 has 8 divisors (see below), whose sum is σ = 1121328. Its totient is φ = 366384.

The previous prime is 740153. The next prime is 740161. The reversal of 740158 is 851047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740153) 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, 1591 + ... + 2002.

It is an arithmetic number, because the mean of its divisors is an integer number (140166).

2⁷⁴⁰¹⁵⁸ is an apocalyptic number.

740158 is a deficient number, since it is larger than the sum of its proper divisors (381170).

740158 is a wasteful number, since it uses less digits than its factorization.

740158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3698.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 740158 is about 860.3243574374. The cubic root of 740158 is about 90.4568539691.

Subtracting 740158 from its reverse (851047), we obtain a square (110889 = 333²).

It can be divided in two parts, 740 and 158, that added together give a palindrome (898).

The spelling of 740158 in words is "seven hundred forty thousand, one hundred fifty-eight".