756140742 has 48 divisors (see below), whose sum is σ = 1890918432. Its totient is φ = 213897600.

The previous prime is 756140741. The next prime is 756140779. The reversal of 756140742 is 247041657.

It is a junction number, because it is equal to n+sod(n) for n = 756140697 and 756140706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (756140741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16983 + ... + 42434.

It is an arithmetic number, because the mean of its divisors is an integer number (39394134).

Almost surely, 2^756140742 is an apocalyptic number.

756140742 is an abundant number, since it is smaller than the sum of its proper divisors (1134777690).

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

756140742 is a wasteful number, since it uses less digits than its factorization.

756140742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59533 (or 59530 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 756140742 is about 27498.0134191545. The cubic root of 756140742 is about 911.0332192197.

The spelling of 756140742 in words is "seven hundred fifty-six million, one hundred forty thousand, seven hundred forty-two".