70548137 has 4 divisors (see below), whose sum is σ = 76961616. Its totient is φ = 64134660.

The previous prime is 70548133. The next prime is 70548143. The reversal of 70548137 is 73184507.

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 70548137 - 2² = 70548133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70548097 and 70548106.

It is not an unprimeable number, because it can be changed into a prime (70548133) 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, 3206723 + ... + 3206744.

It is an arithmetic number, because the mean of its divisors is an integer number (19240404).

Almost surely, 2^70548137 is an apocalyptic number.

It is an amenable number.

70548137 is a deficient number, since it is larger than the sum of its proper divisors (6413479).

70548137 is a wasteful number, since it uses less digits than its factorization.

70548137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6413478.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 70548137 is about 8399.2938393653. The cubic root of 70548137 is about 413.2014623689.

The spelling of 70548137 in words is "seventy million, five hundred forty-eight thousand, one hundred thirty-seven".