70481663 has 4 divisors (see below), whose sum is σ = 80550480. Its totient is φ = 60412848.

The previous prime is 70481651. The next prime is 70481699. The reversal of 70481663 is 36618407.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70481663 - 2⁴ = 70481647 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 (70471663) 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, 5034398 + ... + 5034411.

It is an arithmetic number, because the mean of its divisors is an integer number (20137620).

Almost surely, 2^70481663 is an apocalyptic number.

70481663 is a deficient number, since it is larger than the sum of its proper divisors (10068817).

70481663 is a wasteful number, since it uses less digits than its factorization.

70481663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10068816.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 70481663 is about 8395.3357884006. The cubic root of 70481663 is about 413.0716418583.

The spelling of 70481663 in words is "seventy million, four hundred eighty-one thousand, six hundred sixty-three".