75772007 has 2 divisors, whose sum is σ = 75772008. Its totient is φ = 75772006.

The previous prime is 75771973. The next prime is 75772031. The reversal of 75772007 is 70027757.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75772007 - 2¹⁰ = 75770983 is a prime.

It is equal to p_4436945 and since 75772007 and 4436945 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75672007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37886003 + 37886004.

It is an arithmetic number, because the mean of its divisors is an integer number (37886004).

Almost surely, 2^75772007 is an apocalyptic number.

75772007 is a deficient number, since it is larger than the sum of its proper divisors (1).

75772007 is an equidigital number, since it uses as much as digits as its factorization.

75772007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24010, while the sum is 35.

The square root of 75772007 is about 8704.7117700703. The cubic root of 75772007 is about 423.1583648081.

The spelling of 75772007 in words is "seventy-five million, seven hundred seventy-two thousand, seven".