723761004 has 48 divisors (see below), whose sum is σ = 1780017120. Its totient is φ = 228533760.

The previous prime is 723760997. The next prime is 723761023. The reversal of 723761004 is 400167327.

It is a super-2 number, since 2×723761004² = 1047659981822176032, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1177 + ... + 38064.

It is an arithmetic number, because the mean of its divisors is an integer number (37083690).

Almost surely, 2^723761004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 723761004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (890008560).

723761004 is an abundant number, since it is smaller than the sum of its proper divisors (1056256116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

723761004 is a wasteful number, since it uses less digits than its factorization.

723761004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39330 (or 39328 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 723761004 is about 26902.8066193845. The cubic root of 723761004 is about 897.8388491964.

The spelling of 723761004 in words is "seven hundred twenty-three million, seven hundred sixty-one thousand, four".