751342090 has 16 divisors (see below), whose sum is σ = 1353064680. Its totient is φ = 300392640.

The previous prime is 751342057. The next prime is 751342103. The reversal of 751342090 is 90243157.

It can be written as a sum of positive squares in 4 ways, for example, as 703469529 + 47872561 = 26523^2 + 6919^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5296 + ... + 39124.

Almost surely, 2^751342090 is an apocalyptic number.

751342090 is a deficient number, since it is larger than the sum of its proper divisors (601722590).

751342090 is a wasteful number, since it uses less digits than its factorization.

751342090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36057.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 751342090 is about 27410.6200221739. The cubic root of 751342090 is about 909.1019155607.

The spelling of 751342090 in words is "seven hundred fifty-one million, three hundred forty-two thousand, ninety".