70235772663 has 64 divisors (see below), whose sum is σ = 114241978368. Its totient is φ = 37468085760.

The previous prime is 70235772661. The next prime is 70235772767. The reversal of 70235772663 is 36627753207.

It is not a de Polignac number, because 70235772663 - 2¹ = 70235772661 is a prime.

It is a super-2 number, since 2×70235772663² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70235772661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37618656 + ... + 37620522.

It is an arithmetic number, because the mean of its divisors is an integer number (1785030912).

Almost surely, 2^70235772663 is an apocalyptic number.

70235772663 is a deficient number, since it is larger than the sum of its proper divisors (44006205705).

70235772663 is a wasteful number, since it uses less digits than its factorization.

70235772663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2692.

The product of its (nonzero) digits is 2222640, while the sum is 48.

The spelling of 70235772663 in words is "seventy billion, two hundred thirty-five million, seven hundred seventy-two thousand, six hundred sixty-three".