724749532 has 12 divisors (see below), whose sum is σ = 1365874216. Its totient is φ = 334499760.

The previous prime is 724749463. The next prime is 724749533. The reversal of 724749532 is 235947427.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724749533) 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, 6968694 + ... + 6968797.

Almost surely, 2^724749532 is an apocalyptic number.

It is an amenable number.

724749532 is a deficient number, since it is larger than the sum of its proper divisors (641124684).

724749532 is a wasteful number, since it uses less digits than its factorization.

724749532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13937508 (or 13937506 counting only the distinct ones).

The product of its digits is 423360, while the sum is 43.

The square root of 724749532 is about 26921.1725599016. The cubic root of 724749532 is about 898.2474256327.

The spelling of 724749532 in words is "seven hundred twenty-four million, seven hundred forty-nine thousand, five hundred thirty-two".