70746513 has 4 divisors (see below), whose sum is σ = 94328688. Its totient is φ = 47164340.

The previous prime is 70746509. The next prime is 70746517. The reversal of 70746513 is 31564707.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (70746509) and next prime (70746517).

It is a cyclic number.

It is not a de Polignac number, because 70746513 - 2² = 70746509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70746517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11791083 + ... + 11791088.

It is an arithmetic number, because the mean of its divisors is an integer number (23582172).

Almost surely, 2^70746513 is an apocalyptic number.

It is an amenable number.

70746513 is a deficient number, since it is larger than the sum of its proper divisors (23582175).

70746513 is a wasteful number, since it uses less digits than its factorization.

70746513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23582174.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 70746513 is about 8411.0946374417. The cubic root of 70746513 is about 413.5883969555.

The spelling of 70746513 in words is "seventy million, seven hundred forty-six thousand, five hundred thirteen".