69930513 has 64 divisors (see below), whose sum is σ = 114892800. Its totient is φ = 41912640.

The previous prime is 69930499. The next prime is 69930521. The reversal of 69930513 is 31503996.

It is not a de Polignac number, because 69930513 - 2⁹ = 69930001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (69930613) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1043706 + ... + 1043772.

It is an arithmetic number, because the mean of its divisors is an integer number (1795200).

Almost surely, 2^69930513 is an apocalyptic number.

It is an amenable number.

69930513 is a deficient number, since it is larger than the sum of its proper divisors (44962287).

69930513 is a wasteful number, since it uses less digits than its factorization.

69930513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 36.

The square root of 69930513 is about 8362.4465917577. The cubic root of 69930513 is about 411.9921154271.

The spelling of 69930513 in words is "sixty-nine million, nine hundred thirty thousand, five hundred thirteen".