70272663 has 4 divisors (see below), whose sum is σ = 93696888. Its totient is φ = 46848440.

The previous prime is 70272637. The next prime is 70272703. The reversal of 70272663 is 36627207.

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 70272663 - 2⁹ = 70272151 is a prime.

It is a super-2 number, since 2×70272663² = 9876494330223138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70272263) 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, 11712108 + ... + 11712113.

It is an arithmetic number, because the mean of its divisors is an integer number (23424222).

Almost surely, 2^70272663 is an apocalyptic number.

70272663 is a deficient number, since it is larger than the sum of its proper divisors (23424225).

70272663 is a wasteful number, since it uses less digits than its factorization.

70272663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23424224.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 70272663 is about 8382.8791593342. The cubic root of 70272663 is about 412.6629424225.

The spelling of 70272663 in words is "seventy million, two hundred seventy-two thousand, six hundred sixty-three".