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672072107 = 7372594873
BaseRepresentation
bin101000000011110…
…000000110101011
31201211121210121112
4220003300012223
52334022301412
6150404500535
722440342620
oct5003600653
91654553545
10672072107
113154047a3
121690aa74b
13a9311605
1465388347
153e007722
hex280f01ab

672072107 has 8 divisors (see below), whose sum is σ = 788841696. Its totient is φ = 560492352.

The previous prime is 672072103. The next prime is 672072119. The reversal of 672072107 is 701270276.

It is a happy number.

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

It is not a de Polignac number, because 672072107 - 22 = 672072103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672072103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1297178 + ... + 1297695.

It is an arithmetic number, because the mean of its divisors is an integer number (98605212).

Almost surely, 2672072107 is an apocalyptic number.

672072107 is a deficient number, since it is larger than the sum of its proper divisors (116769589).

672072107 is a wasteful number, since it uses less digits than its factorization.

672072107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2594917.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 672072107 is about 25924.3535502816. The cubic root of 672072107 is about 875.9351556256.

The spelling of 672072107 in words is "six hundred seventy-two million, seventy-two thousand, one hundred seven".

Divisors: 1 7 37 259 2594873 18164111 96010301 672072107