749708142 has 8 divisors (see below), whose sum is σ = 1499416296. Its totient is φ = 249902712.

The previous prime is 749708119. The next prime is 749708147. The reversal of 749708142 is 241807947.

It is a happy number.

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

749708142 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 749708094 and 749708103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749708147) 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, 62475673 + ... + 62475684.

It is an arithmetic number, because the mean of its divisors is an integer number (187427037).

Almost surely, 2^749708142 is an apocalyptic number.

749708142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

749708142 is a wasteful number, since it uses less digits than its factorization.

749708142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124951362.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 749708142 is about 27380.7987830889. The cubic root of 749708142 is about 908.4424275294.

The spelling of 749708142 in words is "seven hundred forty-nine million, seven hundred eight thousand, one hundred forty-two".