735961 has 4 divisors (see below), whose sum is σ = 744912. Its totient is φ = 727012.

The previous prime is 735953. The next prime is 735979. The reversal of 735961 is 169537.

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, and also an emirpimes, since its reverse is a distinct semiprime: 169537 = 19 ⋅8923.

It is a cyclic number.

It is not a de Polignac number, because 735961 - 2³ = 735953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (735901) 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, 4351 + ... + 4516.

It is an arithmetic number, because the mean of its divisors is an integer number (186228).

2⁷³⁵⁹⁶¹ is an apocalyptic number.

It is an amenable number.

735961 is a deficient number, since it is larger than the sum of its proper divisors (8951).

735961 is an equidigital number, since it uses as much as digits as its factorization.

735961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8950.

The product of its digits is 5670, while the sum is 31.

The square root of 735961 is about 857.8816934753. The cubic root of 735961 is about 90.2855539355.

The spelling of 735961 in words is "seven hundred thirty-five thousand, nine hundred sixty-one".