69740013 has 32 divisors (see below), whose sum is σ = 112445440. Its totient is φ = 37558080.

The previous prime is 69740009. The next prime is 69740017. The reversal of 69740013 is 31004796.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (69740009) and next prime (69740017).

It is not a de Polignac number, because 69740013 - 2² = 69740009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69740017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110208 + ... + 110838.

It is an arithmetic number, because the mean of its divisors is an integer number (3513920).

Almost surely, 2^69740013 is an apocalyptic number.

It is an amenable number.

69740013 is a deficient number, since it is larger than the sum of its proper divisors (42705427).

69740013 is a wasteful number, since it uses less digits than its factorization.

69740013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 69740013 is about 8351.0486167906. The cubic root of 69740013 is about 411.6176681361.

The spelling of 69740013 in words is "sixty-nine million, seven hundred forty thousand, thirteen".