70478759 has 4 divisors (see below), whose sum is σ = 75900216. Its totient is φ = 65057304.

The previous prime is 70478741. The next prime is 70478761. The reversal of 70478759 is 95787407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95787407 = 89 ⋅1076263.

It is a de Polignac number, because none of the positive numbers 2^k-70478759 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 (70478659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2710709 + ... + 2710734.

It is an arithmetic number, because the mean of its divisors is an integer number (18975054).

Almost surely, 2^70478759 is an apocalyptic number.

70478759 is a deficient number, since it is larger than the sum of its proper divisors (5421457).

70478759 is a wasteful number, since it uses less digits than its factorization.

70478759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5421456.

The product of its (nonzero) digits is 493920, while the sum is 47.

The square root of 70478759 is about 8395.1628334416. The cubic root of 70478759 is about 413.0659686261.

The spelling of 70478759 in words is "seventy million, four hundred seventy-eight thousand, seven hundred fifty-nine".