724151402 has 32 divisors (see below), whose sum is σ = 1233020880. Its totient is φ = 316592640.

The previous prime is 724151401. The next prime is 724151411. The reversal of 724151402 is 204151427.

724151402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 257634601 + 466516801 = 16051^2 + 21599^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (724151401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30902 + ... + 49022.

Almost surely, 2^724151402 is an apocalyptic number.

724151402 is a deficient number, since it is larger than the sum of its proper divisors (508869478).

724151402 is a wasteful number, since it uses less digits than its factorization.

724151402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18218.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 724151402 is about 26910.0613525871. The cubic root of 724151402 is about 898.0002521481. Note that the first 3 decimals are identical.

The spelling of 724151402 in words is "seven hundred twenty-four million, one hundred fifty-one thousand, four hundred two".