749274342 has 16 divisors (see below), whose sum is σ = 1502999472. Its totient is φ = 249016320.

The previous prime is 749274341. The next prime is 749274353. The reversal of 749274342 is 243472947.

It is a super-2 number, since 2×749274342² = 1122824079159065928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 749274294 and 749274303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749274341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183259 + ... + 187302.

It is an arithmetic number, because the mean of its divisors is an integer number (93937467).

Almost surely, 2^749274342 is an apocalyptic number.

749274342 is an abundant number, since it is smaller than the sum of its proper divisors (753725130).

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

749274342 is a wasteful number, since it uses less digits than its factorization.

749274342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370903.

The product of its digits is 338688, while the sum is 42.

The square root of 749274342 is about 27372.8760271916. The cubic root of 749274342 is about 908.2671778395.

The spelling of 749274342 in words is "seven hundred forty-nine million, two hundred seventy-four thousand, three hundred forty-two".