70863541 has 4 divisors (see below), whose sum is σ = 80986912. Its totient is φ = 60740172.

The previous prime is 70863523. The next prime is 70863557. The reversal of 70863541 is 14536807.

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 a cyclic number.

It is not a de Polignac number, because 70863541 - 2¹³ = 70855349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70863497 and 70863506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70863511) 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, 5061675 + ... + 5061688.

It is an arithmetic number, because the mean of its divisors is an integer number (20246728).

Almost surely, 2^70863541 is an apocalyptic number.

It is an amenable number.

70863541 is a deficient number, since it is larger than the sum of its proper divisors (10123371).

70863541 is a wasteful number, since it uses less digits than its factorization.

70863541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10123370.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 70863541 is about 8418.0485268262. The cubic root of 70863541 is about 413.8163222483.

The spelling of 70863541 in words is "seventy million, eight hundred sixty-three thousand, five hundred forty-one".