756745742 has 8 divisors (see below), whose sum is σ = 1135864632. Its totient is φ = 378124200.

The previous prime is 756745739. The next prime is 756745763. The reversal of 756745742 is 247547657.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 120509 + ... + 126632.

It is an arithmetic number, because the mean of its divisors is an integer number (141983079).

Almost surely, 2^756745742 is an apocalyptic number.

756745742 is a deficient number, since it is larger than the sum of its proper divisors (379118890).

756745742 is a wasteful number, since it uses less digits than its factorization.

756745742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248674.

The product of its digits is 1646400, while the sum is 47.

The square root of 756745742 is about 27509.0120142473. The cubic root of 756745742 is about 911.2761317407.

The spelling of 756745742 in words is "seven hundred fifty-six million, seven hundred forty-five thousand, seven hundred forty-two".