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68007373 = 79715339
BaseRepresentation
bin1000000110110…
…11010111001101
311201222010120121
410003123113031
5114402213443
610425344541
71454024140
oct403332715
9151863517
1068007373
113542aa45
121a938151
1311121865
149064057
155e854ed
hex40db5cd

68007373 has 4 divisors (see below), whose sum is σ = 77722720. Its totient is φ = 58292028.

The previous prime is 68007371. The next prime is 68007383. The reversal of 68007373 is 37370086.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68007373 - 21 = 68007371 is a prime.

It is a super-2 number, since 2×680073732 = 9250005564722258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68007371) 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, 4857663 + ... + 4857676.

It is an arithmetic number, because the mean of its divisors is an integer number (19430680).

Almost surely, 268007373 is an apocalyptic number.

It is an amenable number.

68007373 is a deficient number, since it is larger than the sum of its proper divisors (9715347).

68007373 is an equidigital number, since it uses as much as digits as its factorization.

68007373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9715346.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 68007373 is about 8246.6582929087. The cubic root of 68007373 is about 408.1802616405.

The spelling of 68007373 in words is "sixty-eight million, seven thousand, three hundred seventy-three".

Divisors: 1 7 9715339 68007373