70445541 has 4 divisors (see below), whose sum is σ = 93927392. Its totient is φ = 46963692.

The previous prime is 70445539. The next prime is 70445563. The reversal of 70445541 is 14554407.

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 not a de Polignac number, because 70445541 - 2¹ = 70445539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70445499 and 70445508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70440541) 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, 11740921 + ... + 11740926.

It is an arithmetic number, because the mean of its divisors is an integer number (23481848).

Almost surely, 2^70445541 is an apocalyptic number.

It is an amenable number.

70445541 is a deficient number, since it is larger than the sum of its proper divisors (23481851).

70445541 is a wasteful number, since it uses less digits than its factorization.

70445541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23481850.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 70445541 is about 8393.1841990987. The cubic root of 70445541 is about 413.0010631056.

Adding to 70445541 its reverse (14554407), we get a palindrome (84999948).

The spelling of 70445541 in words is "seventy million, four hundred forty-five thousand, five hundred forty-one".