70414381 has 4 divisors (see below), whose sum is σ = 70836192. Its totient is φ = 69992572.

The previous prime is 70414373. The next prime is 70414411. The reversal of 70414381 is 18341407.

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 70414381 - 2³ = 70414373 is a prime.

It is a super-2 number, since 2×70414381² = 9916370103226322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70414181) 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, 210655 + ... + 210988.

It is an arithmetic number, because the mean of its divisors is an integer number (17709048).

Almost surely, 2^70414381 is an apocalyptic number.

It is an amenable number.

70414381 is a deficient number, since it is larger than the sum of its proper divisors (421811).

70414381 is a wasteful number, since it uses less digits than its factorization.

70414381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421810.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 70414381 is about 8391.3277256940. The cubic root of 70414381 is about 412.9401602159.

Adding to 70414381 its reverse (18341407), we get a palindrome (88755788).

The spelling of 70414381 in words is "seventy million, four hundred fourteen thousand, three hundred eighty-one".