70468581 has 4 divisors (see below), whose sum is σ = 93958112. Its totient is φ = 46979052.

The previous prime is 70468571. The next prime is 70468589. The reversal of 70468581 is 18586407.

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 de Polignac number, because none of the positive numbers 2^k-70468581 is a prime.

It is a super-2 number, since 2×70468581² = 9931641816307122, 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 (70468589) 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, 11744761 + ... + 11744766.

It is an arithmetic number, because the mean of its divisors is an integer number (23489528).

Almost surely, 2^70468581 is an apocalyptic number.

It is an amenable number.

70468581 is a deficient number, since it is larger than the sum of its proper divisors (23489531).

70468581 is a wasteful number, since it uses less digits than its factorization.

70468581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23489530.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 70468581 is about 8394.5566291496. The cubic root of 70468581 is about 413.0460837327.

The spelling of 70468581 in words is "seventy million, four hundred sixty-eight thousand, five hundred eighty-one".