70546939 has 4 divisors (see below), whose sum is σ = 70656624. Its totient is φ = 70437256.

The previous prime is 70546933. The next prime is 70546963. The reversal of 70546939 is 93964507.

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 70546939 - 2⁵ = 70546907 is a prime.

It is a Duffinian number.

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 70546895 and 70546904.

It is not an unprimeable number, because it can be changed into a prime (70546933) 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, 53872 + ... + 55165.

It is an arithmetic number, because the mean of its divisors is an integer number (17664156).

Almost surely, 2^70546939 is an apocalyptic number.

70546939 is a deficient number, since it is larger than the sum of its proper divisors (109685).

70546939 is a wasteful number, since it uses less digits than its factorization.

70546939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109684.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 70546939 is about 8399.2225235435. Note that the first 3 decimals coincide. The cubic root of 70546939 is about 413.1991234546.

The spelling of 70546939 in words is "seventy million, five hundred forty-six thousand, nine hundred thirty-nine".