751350745 has 4 divisors (see below), whose sum is σ = 901620900. Its totient is φ = 601080592.

The previous prime is 751350713. The next prime is 751350779. The reversal of 751350745 is 547053157.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 547053157 = 7 ⋅78150451.

It can be written as a sum of positive squares in 2 ways, for example, as 591656976 + 159693769 = 24324^2 + 12637^2 .

It is a cyclic number.

It is not a de Polignac number, because 751350745 - 2⁵ = 751350713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75135070 + ... + 75135079.

It is an arithmetic number, because the mean of its divisors is an integer number (225405225).

Almost surely, 2^751350745 is an apocalyptic number.

It is an amenable number.

751350745 is a deficient number, since it is larger than the sum of its proper divisors (150270155).

751350745 is a wasteful number, since it uses less digits than its factorization.

751350745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150270154.

The product of its (nonzero) digits is 73500, while the sum is 37.

The square root of 751350745 is about 27410.7778984837. Note that the first 3 decimals coincide. The cubic root of 751350745 is about 909.1054063128.

The spelling of 751350745 in words is "seven hundred fifty-one million, three hundred fifty thousand, seven hundred forty-five".