734631 has 4 divisors (see below), whose sum is σ = 979512. Its totient is φ = 489752.

The previous prime is 734627. The next prime is 734647. The reversal of 734631 is 136437.

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 734631 - 2² = 734627 is a prime.

It is a super-2 number, since 2×734631² = 1079365412322, which contains 22 as substring.

It is a D-number.

734631 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734131) 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, 122436 + ... + 122441.

It is an arithmetic number, because the mean of its divisors is an integer number (244878).

2⁷³⁴⁶³¹ is an apocalyptic number.

734631 is a deficient number, since it is larger than the sum of its proper divisors (244881).

734631 is a wasteful number, since it uses less digits than its factorization.

734631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244880.

The product of its digits is 1512, while the sum is 24.

The square root of 734631 is about 857.1061777866. The cubic root of 734631 is about 90.2311342973.

The spelling of 734631 in words is "seven hundred thirty-four thousand, six hundred thirty-one".