735920641 has 4 divisors (see below), whose sum is σ = 742798512. Its totient is φ = 729042772.

The previous prime is 735920621. The next prime is 735920651. The reversal of 735920641 is 146029537.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 735920641 - 2¹⁷ = 735789569 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 735920641.

It is not an unprimeable number, because it can be changed into a prime (735920621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3438775 + ... + 3438988.

It is an arithmetic number, because the mean of its divisors is an integer number (185699628).

Almost surely, 2^735920641 is an apocalyptic number.

It is an amenable number.

735920641 is a deficient number, since it is larger than the sum of its proper divisors (6877871).

735920641 is a wasteful number, since it uses less digits than its factorization.

735920641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6877870.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 735920641 is about 27127.8572872979. The cubic root of 735920641 is about 902.8390353042.

The spelling of 735920641 in words is "seven hundred thirty-five million, nine hundred twenty thousand, six hundred forty-one".