734691 has 4 divisors (see below), whose sum is σ = 979592. Its totient is φ = 489792.

The previous prime is 734687. The next prime is 734693. The reversal of 734691 is 196437.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 196437 = 3 ⋅65479.

It is not a de Polignac number, because 734691 - 2² = 734687 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 734691.

It is not an unprimeable number, because it can be changed into a prime (734693) 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, 122446 + ... + 122451.

It is an arithmetic number, because the mean of its divisors is an integer number (244898).

2⁷³⁴⁶⁹¹ is an apocalyptic number.

734691 is a deficient number, since it is larger than the sum of its proper divisors (244901).

734691 is a wasteful number, since it uses less digits than its factorization.

734691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244900.

The product of its digits is 4536, while the sum is 30.

The square root of 734691 is about 857.1411785698. The cubic root of 734691 is about 90.2335907327.

The spelling of 734691 in words is "seven hundred thirty-four thousand, six hundred ninety-one".