750772061 has 12 divisors (see below), whose sum is σ = 853322652. Its totient is φ = 656541504.

The previous prime is 750772021. The next prime is 750772063. The reversal of 750772061 is 160277057.

It can be written as a sum of positive squares in 2 ways, for example, as 44222500 + 706549561 = 6650^2 + 26581^2 .

It is a de Polignac number, because none of the positive numbers 2^k-750772061 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (750772063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75296 + ... + 84681.

It is an arithmetic number, because the mean of its divisors is an integer number (71110221).

Almost surely, 2^750772061 is an apocalyptic number.

It is an amenable number.

750772061 is a deficient number, since it is larger than the sum of its proper divisors (102550591).

750772061 is a wasteful number, since it uses less digits than its factorization.

750772061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160028 (or 160009 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 750772061 is about 27400.2200903569. The cubic root of 750772061 is about 908.8719512647.

The spelling of 750772061 in words is "seven hundred fifty million, seven hundred seventy-two thousand, sixty-one".