75756953 has 2 divisors, whose sum is σ = 75756954. Its totient is φ = 75756952.

The previous prime is 75756949. The next prime is 75756973. The reversal of 75756953 is 35965757.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44262409 + 31494544 = 6653^2 + 5612^2 .

It is a cyclic number.

It is not a de Polignac number, because 75756953 - 2² = 75756949 is a prime.

It is a super-3 number, since 3×75756953³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75756898 and 75756907.

It is not a weakly prime, because it can be changed into another prime (75756973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37878476 + 37878477.

It is an arithmetic number, because the mean of its divisors is an integer number (37878477).

Almost surely, 2^75756953 is an apocalyptic number.

It is an amenable number.

75756953 is a deficient number, since it is larger than the sum of its proper divisors (1).

75756953 is an equidigital number, since it uses as much as digits as its factorization.

75756953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 992250, while the sum is 47.

The square root of 75756953 is about 8703.8470230123. The cubic root of 75756953 is about 423.1303392958.

The spelling of 75756953 in words is "seventy-five million, seven hundred fifty-six thousand, nine hundred fifty-three".