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726401622 = 23121066937
BaseRepresentation
bin101011010011000…
…000001001010110
31212121212000200210
4223103000021112
52441424322442
6200025150250
724000211662
oct5323001126
91777760623
10726401622
11343042321
1218332b386
13b765455b
146c68b8a2
1543b8a19c
hex2b4c0256

726401622 has 8 divisors (see below), whose sum is σ = 1452803256. Its totient is φ = 242133872.

The previous prime is 726401573. The next prime is 726401651. The reversal of 726401622 is 226104627.

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

It is a self number, because there is not a number n which added to its sum of digits gives 726401622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60533463 + ... + 60533474.

It is an arithmetic number, because the mean of its divisors is an integer number (181600407).

Almost surely, 2726401622 is an apocalyptic number.

726401622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

726401622 is a wasteful number, since it uses less digits than its factorization.

726401622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121066942.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 726401622 is about 26951.8389354048. The cubic root of 726401622 is about 898.9294356936.

The spelling of 726401622 in words is "seven hundred twenty-six million, four hundred one thousand, six hundred twenty-two".