70131441 has 4 divisors (see below), whose sum is σ = 93508592. Its totient is φ = 46754292.

The previous prime is 70131437. The next prime is 70131487. The reversal of 70131441 is 14413107.

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 70131441 - 2² = 70131437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70131041) 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, 11688571 + ... + 11688576.

It is an arithmetic number, because the mean of its divisors is an integer number (23377148).

Almost surely, 2^70131441 is an apocalyptic number.

It is an amenable number.

70131441 is a deficient number, since it is larger than the sum of its proper divisors (23377151).

70131441 is a wasteful number, since it uses less digits than its factorization.

70131441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23377150.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 70131441 is about 8374.4516835432. The cubic root of 70131441 is about 412.3863238644.

Adding to 70131441 its reverse (14413107), we get a palindrome (84544548).

The spelling of 70131441 in words is "seventy million, one hundred thirty-one thousand, four hundred forty-one".