734681 has 4 divisors (see below), whose sum is σ = 737664. Its totient is φ = 731700.

The previous prime is 734663. The next prime is 734687. The reversal of 734681 is 186437.

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 de Polignac number, because none of the positive numbers 2^k-734681 is a prime.

It is a super-2 number, since 2×734681² = 1079512343522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (734687) 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, 1085 + ... + 1626.

It is an arithmetic number, because the mean of its divisors is an integer number (184416).

2⁷³⁴⁶⁸¹ is an apocalyptic number.

It is an amenable number.

734681 is a deficient number, since it is larger than the sum of its proper divisors (2983).

734681 is a wasteful number, since it uses less digits than its factorization.

734681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982.

The product of its digits is 4032, while the sum is 29.

The square root of 734681 is about 857.1353452052. The cubic root of 734681 is about 90.2331813361.

The spelling of 734681 in words is "seven hundred thirty-four thousand, six hundred eighty-one".