70061747 has 4 divisors (see below), whose sum is σ = 80070576. Its totient is φ = 60052920.

The previous prime is 70061723. The next prime is 70061773. The reversal of 70061747 is 74716007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74716007 = 59 ⋅1266373.

It is a cyclic number.

It is not a de Polignac number, because 70061747 - 2¹⁴ = 70045363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70061347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5004404 + ... + 5004417.

It is an arithmetic number, because the mean of its divisors is an integer number (20017644).

Almost surely, 2^70061747 is an apocalyptic number.

70061747 is a deficient number, since it is larger than the sum of its proper divisors (10008829).

70061747 is a wasteful number, since it uses less digits than its factorization.

70061747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10008828.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 70061747 is about 8370.2895409896. The cubic root of 70061747 is about 412.2496738929.

The spelling of 70061747 in words is "seventy million, sixty-one thousand, seven hundred forty-seven".