70786463 has 4 divisors (see below), whose sum is σ = 77221608. Its totient is φ = 64351320.

The previous prime is 70786427. The next prime is 70786483. The reversal of 70786463 is 36468707.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36468707 = 11 ⋅3315337.

It is not a de Polignac number, because 70786463 - 2¹⁶ = 70720927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70786463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70786403) 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, 3217556 + ... + 3217577.

It is an arithmetic number, because the mean of its divisors is an integer number (19305402).

Almost surely, 2^70786463 is an apocalyptic number.

70786463 is a deficient number, since it is larger than the sum of its proper divisors (6435145).

70786463 is a wasteful number, since it uses less digits than its factorization.

70786463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6435144.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 70786463 is about 8413.4691417988. The cubic root of 70786463 is about 413.6662323456. Note that the first 3 decimals are identical.

The spelling of 70786463 in words is "seventy million, seven hundred eighty-six thousand, four hundred sixty-three".