70653911 has 4 divisors (see below), whose sum is σ = 70877112. Its totient is φ = 70430712.

The previous prime is 70653899. The next prime is 70653917. The reversal of 70653911 is 11935607.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70653911 - 2¹⁸ = 70391767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70653917) 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, 111125 + ... + 111758.

It is an arithmetic number, because the mean of its divisors is an integer number (17719278).

Almost surely, 2^70653911 is an apocalyptic number.

70653911 is a deficient number, since it is larger than the sum of its proper divisors (223201).

70653911 is a wasteful number, since it uses less digits than its factorization.

70653911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223200.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 70653911 is about 8405.5880817466. The cubic root of 70653911 is about 413.4078658663.

The spelling of 70653911 in words is "seventy million, six hundred fifty-three thousand, nine hundred eleven".