724894545 has 16 divisors (see below), whose sum is σ = 1197245952. Its totient is φ = 374138880.

The previous prime is 724894529. The next prime is 724894549. The reversal of 724894545 is 545498427.

It is not a de Polignac number, because 724894545 - 2⁴ = 724894529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 724894494 and 724894503.

It is not an unprimeable number, because it can be changed into a prime (724894549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 778992 + ... + 779921.

It is an arithmetic number, because the mean of its divisors is an integer number (74827872).

Almost surely, 2^724894545 is an apocalyptic number.

It is an amenable number.

724894545 is a deficient number, since it is larger than the sum of its proper divisors (472351407).

724894545 is a wasteful number, since it uses less digits than its factorization.

724894545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558952.

The product of its digits is 1612800, while the sum is 48.

The square root of 724894545 is about 26923.8657142692. The cubic root of 724894545 is about 898.3073308650.

The spelling of 724894545 in words is "seven hundred twenty-four million, eight hundred ninety-four thousand, five hundred forty-five".