69072970330225 has 27 divisors (see below), whose sum is σ = 86951433545697. Its totient is φ = 54431430271680.

The previous prime is 69072970330213. The next prime is 69072970330279. The reversal of 69072970330225 is 52203307927096.

The square root of 69072970330225 is 8311015.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 5499967730401 + 63573002599824 = 2345201^2 + 7973268^2 .

It is not a de Polignac number, because 69072970330225 - 2¹⁹ = 69072969805937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2784177621 + ... + 2784202429.

Almost surely, 2^{69072970330225} is an apocalyptic number.

69072970330225 is the 8311015-th square number.

69072970330225 is the 4155508-th centered octagonal number.

It is an amenable number.

69072970330225 is a deficient number, since it is larger than the sum of its proper divisors (17878463215472).

69072970330225 is an frugal number, since it uses more digits than its factorization.

69072970330225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49762 (or 24881 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 55.

The spelling of 69072970330225 in words is "sixty-nine trillion, seventy-two billion, nine hundred seventy million, three hundred thirty thousand, two hundred twenty-five".