742156 has 6 divisors (see below), whose sum is σ = 1298780. Its totient is φ = 371076.

The previous prime is 742153. The next prime is 742193. The reversal of 742156 is 651247.

It is a self number, because there is not a number n which added to its sum of digits gives 742156.

It is not an unprimeable number, because it can be changed into a prime (742151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92766 + ... + 92773.

2⁷⁴²¹⁵⁶ is an apocalyptic number.

It is an amenable number.

742156 is a deficient number, since it is larger than the sum of its proper divisors (556624).

742156 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 14 representation: 742156 = (154672)₁₄.

742156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185543 (or 185541 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 742156 is about 861.4847648102. The cubic root of 742156 is about 90.5381746299.

Subtracting from 742156 its reverse (651247), we obtain a palindrome (90909).

It can be divided in two parts, 742 and 156, that added together give a palindrome (898).

The spelling of 742156 in words is "seven hundred forty-two thousand, one hundred fifty-six".