70616633 has 4 divisors (see below), whose sum is σ = 70637028. Its totient is φ = 70596240.

The previous prime is 70616629. The next prime is 70616639. The reversal of 70616633 is 33661607.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 55771024 + 14845609 = 7468^2 + 3853^2 .

It is a cyclic number.

It is not a de Polignac number, because 70616633 - 2² = 70616629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70616633.

It is not an unprimeable number, because it can be changed into a prime (70616639) 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, 3566 + ... + 12407.

It is an arithmetic number, because the mean of its divisors is an integer number (17659257).

Almost surely, 2^70616633 is an apocalyptic number.

It is an amenable number.

70616633 is a deficient number, since it is larger than the sum of its proper divisors (20395).

70616633 is a wasteful number, since it uses less digits than its factorization.

70616633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20394.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 70616633 is about 8403.3703357641. The cubic root of 70616633 is about 413.3351464685.

The spelling of 70616633 in words is "seventy million, six hundred sixteen thousand, six hundred thirty-three".