70023811 has 8 divisors (see below), whose sum is σ = 82265904. Its totient is φ = 58761120.

The previous prime is 70023803. The next prime is 70023839. The reversal of 70023811 is 11832007.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70023811 - 2³ = 70023803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70023881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244696 + ... + 244981.

It is an arithmetic number, because the mean of its divisors is an integer number (10283238).

Almost surely, 2^70023811 is an apocalyptic number.

70023811 is a deficient number, since it is larger than the sum of its proper divisors (12242093).

70023811 is a wasteful number, since it uses less digits than its factorization.

70023811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489701.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 70023811 is about 8368.0231237730. The cubic root of 70023811 is about 412.1752541711.

Adding to 70023811 its reverse (11832007), we get a palindrome (81855818).

The spelling of 70023811 in words is "seventy million, twenty-three thousand, eight hundred eleven".