80630735 has 4 divisors (see below), whose sum is σ = 96756888. Its totient is φ = 64504584.

The previous prime is 80630731. The next prime is 80630741. The reversal of 80630735 is 53703608.

It is a happy number.

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 80630735 - 2² = 80630731 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 (80630731) 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, 8063069 + ... + 8063078.

It is an arithmetic number, because the mean of its divisors is an integer number (24189222).

Almost surely, 2^80630735 is an apocalyptic number.

80630735 is a deficient number, since it is larger than the sum of its proper divisors (16126153).

80630735 is a wasteful number, since it uses less digits than its factorization.

80630735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16126152.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 80630735 is about 8979.4618435628. The cubic root of 80630735 is about 432.0163727648.

The spelling of 80630735 in words is "eighty million, six hundred thirty thousand, seven hundred thirty-five".