732649 has 8 divisors (see below), whose sum is σ = 787968. Its totient is φ = 678720.

The previous prime is 732631. The next prime is 732653. The reversal of 732649 is 946237.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 732649 - 2⁵ = 732617 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 732649.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (732689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 904 + ... + 1510.

It is an arithmetic number, because the mean of its divisors is an integer number (98496).

2⁷³²⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

732649 is a deficient number, since it is larger than the sum of its proper divisors (55319).

732649 is a wasteful number, since it uses less digits than its factorization.

732649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695.

The product of its digits is 9072, while the sum is 31.

The square root of 732649 is about 855.9491807345. The cubic root of 732649 is about 90.1499147545.

The spelling of 732649 in words is "seven hundred thirty-two thousand, six hundred forty-nine".