69772051 has 2 divisors, whose sum is σ = 69772052. Its totient is φ = 69772050.

The previous prime is 69772049. The next prime is 69772067. The reversal of 69772051 is 15027796.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 69772051 - 2¹ = 69772049 is a prime.

Together with 69772049, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 69772051.

It is not a weakly prime, because it can be changed into another prime (69772091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34886025 + 34886026.

It is an arithmetic number, because the mean of its divisors is an integer number (34886026).

Almost surely, 2^69772051 is an apocalyptic number.

69772051 is a deficient number, since it is larger than the sum of its proper divisors (1).

69772051 is an equidigital number, since it uses as much as digits as its factorization.

69772051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 69772051 is about 8352.9665987600. The cubic root of 69772051 is about 411.6806897666.

The spelling of 69772051 in words is "sixty-nine million, seven hundred seventy-two thousand, fifty-one".