70657441 has 4 divisors (see below), whose sum is σ = 70776000. Its totient is φ = 70538884.

The previous prime is 70657429. The next prime is 70657507. The reversal of 70657441 is 14475607.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14475607 = 3229 ⋅4483.

It is a cyclic number.

It is not a de Polignac number, because 70657441 - 2⁷ = 70657313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70657397 and 70657406.

It is not an unprimeable number, because it can be changed into a prime (70657421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58381 + ... + 59578.

It is an arithmetic number, because the mean of its divisors is an integer number (17694000).

Almost surely, 2^70657441 is an apocalyptic number.

It is an amenable number.

70657441 is a deficient number, since it is larger than the sum of its proper divisors (118559).

70657441 is a wasteful number, since it uses less digits than its factorization.

70657441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118558.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 70657441 is about 8405.7980584832. The cubic root of 70657441 is about 413.4147506254.

The spelling of 70657441 in words is "seventy million, six hundred fifty-seven thousand, four hundred forty-one".