70662011 has 4 divisors (see below), whose sum is σ = 80756592. Its totient is φ = 60567432.

The previous prime is 70661993. The next prime is 70662037. The reversal of 70662011 is 11026607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11026607 = 31 ⋅355697.

It is a cyclic number.

It is not a de Polignac number, because 70662011 - 2⁶ = 70661947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70662041) 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, 5047280 + ... + 5047293.

It is an arithmetic number, because the mean of its divisors is an integer number (20189148).

Almost surely, 2^70662011 is an apocalyptic number.

70662011 is a deficient number, since it is larger than the sum of its proper divisors (10094581).

70662011 is a wasteful number, since it uses less digits than its factorization.

70662011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10094580.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 70662011 is about 8406.0698902638. The cubic root of 70662011 is about 413.4236634148.

Adding to 70662011 its reverse (11026607), we get a palindrome (81688618).

The spelling of 70662011 in words is "seventy million, six hundred sixty-two thousand, eleven".